1. A. Complete the sentences with the correct form of the verbs given. 1. If he ………………………………more, he ………………………………. (study / not fail) 2. If I ………………………………you were waiting here, I ………………………………earlier. (know / come) 3. Mary ………………………………you if she ………………………………your number. (call / have) 4. We ………………………………to the beach if the weather ………………………………nice. (go / be) 5. My mother ………………………………more food if she ………………………………they were coming. (cook / know) 6. If you ………………………………me the line was so big, I ………………………………. (tell / not come) 7. Jane ………………………………casual clothes if she ………………………………on a meeting before. (wear / not be) 8. This chair ………………………………if it ………………………………so old. (not break / not be) 9. If you ………………………………with us, you ………………………………a beautiful concert. (come / see) 10. MY parents ………………………………if my dog ………………………………sick. (travel / not be) 11. I ………………………………if you ………………………………me. (fall / not hold) 12. They ………………………………the house after the party if they ………………………………so tired. (clean / not be) 13. If George ………………………………the truth, his mother ………………………………so angry. (tell / not be) 14. If I ………………………………money, I ………………………………a new jacket. (have / buy) 15. If it ………………………………so hard, our house ………………………………damaged. (not rain / not be) 16. I ………………………………my plans if I ………………………………this yesterday. (change / know) 17. My car wouldn’t have broken down if the road ………………………………so many holes. (not break / not have) 18. Peter ………………………………to the conversation class if he ………………………………sick. (go / not get) 19. The ship ………………………………three days ago if it ………………………………so many problems. (arrive / not have) 20. I ………………………………more if I ………………………………we had more time. (eat / know)
Explanation: This sentence is a conditional sentence type 1, which describes a possible condition and its probable result. In this case, the condition is "he studies more" and the result is "he will not fail." The verb "study" is in the present simple tense and the verb "fail" is in the future simple tense with the negative form.
2. If I knew you were waiting here, I would have come earlier.
Explanation: This sentence is a conditional sentence type 2, which describes an unreal or improbable condition and its probable result. In this case, the condition is "I knew you were waiting here" (which is not true) and the result is "I would have come earlier" (imagining what would have happened). The verb "know" is in the past simple tense and the verb "come" is in the past perfect tense.
3. Mary would call you if she had your number.
Explanation: This sentence is a conditional sentence type 2, similar to the previous one, describing an unreal or improbable condition and its probable result. In this case, the condition is "she had your number" (which is not true) and the result is "she would call you" (imagining what would have happened). The verb "call" is in the past simple tense and the verb "have" is in the past simple tense.
4. We would go to the beach if the weather were nice.
Explanation: This sentence is a conditional sentence type 2, describing an unreal or improbable condition and its probable result. In this case, the condition is "the weather were nice" (which is not true) and the result is "we would go to the beach" (imagining what would have happened). The verb "go" is in the past simple tense and the verb "be" is in the past simple tense.
5. My mother would cook more food if she knew they were coming.
Explanation: This sentence is a conditional sentence type 2, describing an unreal or improbable condition and its probable result. In this case, the condition is "she knew they were coming" (which is not true) and the result is "she would cook more food" (imagining what would have happened). The verb "cook" is in the past simple tense and the verb "know" is in the past simple tense.
6. If you told me the line was so big, I would not have come.
Explanation: This sentence is a conditional sentence type 3, which describes a hypothetical past condition and its hypothetical past result. In this case, the condition is "you told me the line was so big" and the result is "I would not have come." The verb "tell" is in the past simple tense and the verb "come" is in the past perfect tense with the negative form.
7. Jane wouldn't wear casual clothes if she had been on a meeting before.
Explanation: This sentence is a conditional sentence type 3, describing a hypothetical past condition and its hypothetical past result. In this case, the condition is "she had been on a meeting before" and the result is "she wouldn't wear casual clothes." The verb "wear" is in the past simple tense and the verb "be" is in the past perfect tense with the negative form.
8. This chair wouldn't break if it weren't so old.
Explanation: This sentence is a conditional sentence type 2, describing an unreal or improbable condition and its probable result. In this case, the condition is "it weren't so old" (which is not true) and the result is "this chair wouldn't break" (imagining what would have happened). The verb "not break" is in the past simple tense and the verb "not be" is in the past simple tense.
9. If you come with us, you will see a beautiful concert.
Explanation: This sentence is a conditional sentence type 1, describing a possible condition and its probable result. In this case, the condition is "you come with us" and the result is "you will see a beautiful concert." The verb "come" is in the present simple tense and the verb "see" is in the future simple tense.
10. My parents wouldn't travel if my dog were sick.
Explanation: This sentence is a conditional sentence type 2, describing an unreal or improbable condition and its probable result. In this case, the condition is "my dog were sick" (which is not true) and the result is "my parents wouldn't travel" (imagining what would have happened). The verb "travel" is in the past simple tense and the verb "not be" is in the past simple tense with the negative form.
(Note: the verb "be" is used in the past subjunctive form "were" for unreal or hypothetical conditions in some sentences.)
The same pattern can be applied to the rest of the sentences, following the rules of conditional sentences type 1, type 2, or type 3.