Present Indefinite Main Verb Ex Leave a Comment / By Ali / October 24, 2025 Exercise 1: Nuanced Gap-Fill & Justification Instructions: Complete each sentence with the correct form of the verb in parentheses (base form or 3rd person singular -s/-es). Then, in the space provided, briefly explain why that form is correct by identifying the subject and the key grammatical rule. The company that I work for (to produce) high-quality software. Why? Not only my brother but also my parents (to enjoy) watching classical music concerts. Why? Everybody in my office (to know) how important the deadline is. Why? The team (to practice) hard every day for the upcoming tournament. Why? There (to seem) to be several problems with this plan. Why? Five hundred dollars (to seem) like a fair price for that laptop. Why? He (to do) his homework as soon as he gets home from school. Why? The singer and songwriter (to perform) live tonight at the stadium. Why? Neither the students nor the teacher (to want) to cancel the trip. Why? The data we collected (to show) a clear trend towards healthier eating. Why? A number of applicants (to have) already been interviewed for the position. Why? The jury (to have) differing opinions on the case. Why? Exercise 2: Error Correction & Sentence Transformation Part A: Error CorrectionInstructions: Some of the following sentences contain a mistake in the use of the Present Indefinite tense (verb form, auxiliary verb, or adverb placement). Identify the error and write the corrected sentence. If the sentence is correct, write "C." She don't often goes to the cinema. Correction: 2. My father always arrive on time for meetings. Correction 3. Does he plays the guitar well? Correction 4. The news usually start at 6 PM. Correction 5. He rarely is late for his appointments. Correction 6. Where does your sister work? Correction: Part B: Sentence Transformation Instructions: Rewrite the following sentences based on the prompt. Maintain the same meaning but change the structure, paying close attention to the verb form. Prompt: Change the subject to a 3rd person singular noun (he, she, it, or a name).7. I study English every evening.* Transformed: Maria English every evening. Prompt: Make this a general truth or fact.8. I feel that water boils at 100 degrees Celsius.* Transformed: Water at 100 degrees Celsius. Prompt: Form a question.9. They understand the instructions.* Transformed: they the instructions? Prompt: Form a negative statement.10. This computer runs very fast.* Transformed: This computer very fast. Prompt: Add the frequency adverb "usually" in the correct position.11. He checks his email in the morning.* Transformed: Prompt: Rephrase the sentence to begin with "There..."12. Several good restaurants exist in this neighborhood.* Transformed: several good restaurants in this neighborhood. Time's up