Fill in the blanks.
1. One day we ……………………………… colonize Mars.
We cannot use can to talk about future ability. Instead we use will be able to.
2. She has no interest …………………………. politics.
Interest is followed by the preposition in.
3. I was happy ……………………….. my old friends again.
We use a to-infinitive after happy.
4. Parents must discourage children ……………………………. unhealthy habits.
We use from + ing form after discourage.
5. She is your neighbor, …………………………?
We use a negative tag after an affirmative statement.
6. It was …………………………… that we did not go out.
We use ‘so + adjective / adverb + article + noun’ in this pattern.
7. We were prevented ………………………… the class.
8. It is time you …………………………… to home.
We use a past tense with a present meaning after it is time.
9. The driver was …………………………. injured in the accident.
Fatally is the adverb. Deadly is an adjective.
10. I recommend ……………………….. go on a diet.
We can use a that-clause after recommend. A to-infinitive is not possible.
11. They made me …………………………. the whole story.
We cannot use a to-infinitive after make.
12. If I knew his real motive, I ………………………….. this.
In the second conditional, we use a simple past in the if-clause and would + infinitive in the main clause.
Answers
1. One day we will be able to colonize Mars.
2. She has no interest in politics.
3. I was happy to see my old friends again.
4. Parents must discourage children from developing unhealthy habits.
5. She is your neighbor, isn’t she?
6. It was so cold a day that we did not go out.
7. We were prevented from entering the class.
8. It is time you went to home.
9. The driver was fatally injured in the accident.
10. I recommend that you go on a diet.
11. They made me repeat the whole story.
12. If I knew his real motive, I would not permit this.
