As ESL teachers, we’re always on the lookout for resources that can truly make a difference in our students’ language learning journeys. That’s why I’m excited to share a resource that has not only enriched my classroom but has also contributed significantly to my students’ language skills: the “Prefixes Worksheet for ESL: Conversation Practice.”
Negative prefixes, such as “un-“, “dis-“, “in-“, and “im-“, often pose a challenge for ESL learners. These tiny word elements can drastically change the meaning of a word, and mastering them is crucial for achieving fluency in English. This prefixes worksheet, however, takes a different approach to teaching negative prefixes, one that’s focused on engagement and genuine communication.
- Engaging Gap-Fill Exercises: The heart of this prefixes worksheet lies in its carefully crafted gap-fill exercises. Instead of dull, disconnected vocabulary drills, students are presented with sentences that have missing words. Their task? To fill in the gaps with the appropriate negative prefix. This approach transforms what might be a monotonous exercise into an interactive puzzle, piquing students’ curiosity and challenging them to think critically.
- Conversation Catalysts: What truly sets this worksheet apart is its dual functionality. Each sentence, in addition to being a gap-fill exercise, serves as a conversation starter. After completing the sentence, students are encouraged to discuss the meaning of the word or phrase in the context of the sentence. This not only reinforces their grasp of negative prefixes but also equips them with the ability to use these prefixes naturally in real-life conversations.
- Improved Comprehension: By encountering negative prefixes within sentences and conversations, students gain a deeper understanding of how these prefixes work and influence word meanings. This comprehension goes a long way in helping them become effective communicators in English.
- Enhanced Retention: The combination of active exercises and discussion-based learning not only helps students remember the correct usage of negative prefixes but also ensures that this knowledge sticks. They’re not just memorizing rules; they’re internalizing language patterns.
- Teacher’s Ally: As teachers, we value resources that align with our teaching philosophy and seamlessly integrate into our lesson plans. This worksheet is not just beneficial for students; it’s a teacher-friendly tool that enhances the overall classroom experience.
So, fellow ESL educators, I invite you to share in the success I’ve witnessed in my classroom. Consider using and sharing our “Prefixes Worksheet for ESL: Conversation Practice” within your teaching community. It’s a practical and effective resource that can empower both you and your fellow educators, fostering confident, fluent English speakers.

Exercise 1
In each sentence below, there is a missing negative prefix. Fill in the gaps with the correct prefix (un-, dis-, in-, ir-, im-, il-, etc.) to complete the sentences.
- Can you recall a time when you felt __________(estimated) or __________(valued) in a professional or personal setting? How did you prove your worth?
- Have you ever encountered a situation where someone was __________(fairly) discriminated against? What actions can society take to combat discrimination?
- Describe a moment when you found yourself in a __________(comfortable) or even __________(bearable) situation. How did you handle it?
- Share a story of someone who was initially __________(understood) but later gained recognition or respect. What can we learn from their experience?
- Can you think of an occasion when you felt __________(connected) or __________(engaged) from a group or community? How did you address this feeling?
- Discuss a time when you observed an action that you considered __________(ethical) or __________(moral). How did it affect your perception of the person involved?
- Have you ever experienced an __________(usual) or __________(expected) phenomenon that left you feeling uneasy or __________(oriented)?
- Share a situation where you or someone you know had to deal with an __________(cooperative) colleague or team member. How was it resolved?
- Can you describe a moment when you felt __________(valued) as a consumer or customer? How did you respond to the situation?
- Discuss a time when you observed an __________(ethical) or __________(moral) action that you believe should be discontinued. What alternatives would you propose?
- Have you ever been in a situation where you felt powerless or __________(able) to influence the outcome? How did you cope with it?
- Share an example of a __________(just) law or policy you believe should be discontinued. What alternatives would you propose?
- Describe a situation where someone exhibited __________(healthy) or detrimental behavior patterns. How can they be encouraged to change?
- Can you think of a time when you were __________(prepared) for a significant life event or challenge? How did you adapt and learn from it?
- Discuss an instance when you witnessed an __________(effective) or __________(productive) meeting or discussion. What improvements would you suggest?
- Share a story of a project or endeavor that initially seemed __________(feasible) but was eventually successful. What contributed to its success?
- Have you ever had to deal with an __________(responsive) or neglectful service provider? How did you seek resolution or compensation?
- Can you recall a situation where you felt __________(appreciated) in a personal relationship? How did you address the issue with the other person?
- Describe a time when you encountered an __________(dated) or __________(moded) practice or technology. What innovations could replace it?
- Discuss the concept of an __________(certain) future and the role it plays in making long-term plans and decisions.

Exercise 2
In each sentence below, there is a missing prefix. Fill in the gaps before the words with removed prefixes to complete the sentences.
- Have you ever encountered an ____ (efficient) system or process at work or in daily life? How could it be improved?
- Can you think of a situation where someone acted ____ (responsible)? What were the consequences?
- What are some examples of ____ (tolerant) behavior you’ve observed, and how can we promote more tolerance in society?
- Describe an experience when you found a book or movie to be ____ (interesting) despite high expectations. What went wrong?
- Share a story of a ____ (conventional) or ____ (orthodox) solution to a problem. Did it prove effective in the end?
- Share an instance when someone’s comments or actions were ____ (sensitive). How did it affect you or others involved?
- Do you believe there are any ____ (possible) tasks or challenges, or is it always a matter of perspective and determination?
- Discuss a time when you had to deal with an ____ (convenient) situation while traveling. How did you handle it?
- Can you recall a moment when you witnessed a dispute escalate into an ____ (controllable) argument? What could have been done differently?
- Describe a situation where someone displayed ____ (reasonable) behavior. How did you respond, and what did you learn from it?
- Have you ever faced an ____ (expected) setback that temporarily disrupted your plans? How did you adapt and move forward?
- What do you think about the idea of a ____ (known) or ____ (charted) future? Does it excite or worry you, and why?
- Have you ever encountered someone who was completely ____ (interested) in your favorite hobby, and how did you handle it?
- Have you encountered any ____ (desirable) consequences of technology in your life? How do you mitigate them?
- Can you think of a situation where someone was ____ (fairly) underestimated, only to prove themselves later on?
- Discuss a time when you had to confront your own ____ (securities) or ____ (uncertainties). How did you overcome them?
- Can you think of a time when you found yourself in an ____ (hospitable) or unwelcoming environment, and how did you cope with it?
- Have you ever encountered a ____ (functioning) device or piece of equipment, and how did you address the issue?
- Share a personal experience where you felt ____ (understood) or ____ (represented). How did you clarify the situation?
- Do you believe there’s such a thing as an ____ (reversible) mistake, or can most errors be rectified in some way?
Prefixes worksheet: