Conditional Sentences PDF

**III. Conditional sentences** - **Điều kiện có thể thực hiện được ở hiện tại:** -------------------------------------------------- If + S + simple present...., S + simple future. -------------------------------------------------- Ex: If he tries much more, he will improve his English. =...

**III. Conditional sentences** - **Điều kiện có thể thực hiện được ở hiện tại:** -------------------------------------------------- If + S + simple present...., S + simple future. -------------------------------------------------- Ex: If he tries much more, he will improve his English. = [Should he try] much more, he.... - **Điều kiện không thể thực hiện được ở hiện tại:** +-----------------------------------------------------------------------+ | should | | | | If + S + simple past...., S + would + verb in simple form. | | | | could | +-----------------------------------------------------------------------+ Trong một số trường hợp, người ta bỏ **if** đi và đảo **were** lên trên chủ ngữ = **were I you,** I wouldn\'t do such a thing. Inversion (**Đaỏ ngữ)** - **Điều kiện không thể thực hiện được ở quá khứ:** +-----------------------------------------------------------------------+ | should | | | | If + S + past perfect......, S + would + have + past participle | | | | could | +-----------------------------------------------------------------------+ **[Ex:]** [If he had studied] harder for that test, he would have passed it. **Lưu ý:** Câu điều kiện không phải lúc nào cũng tuân theo qui luật trên. Trong một số trường hợp một vế của điều kiện sẽ là quá khứ nhưng vế còn lại ở hiện tại do thời gian qui định. **Mix type 2 & 3:** **[Ex]**: If she [had caught] the train, she [would be] here by now. (mix type 2 & 3) **\* Unless = If.....not:** (trừ phi = nếu.....không) Ex: [If] you do[n't] come here, I will be angry you. = [Unless] you come here, I will be angry you. **[EXERCISE I :] Rewrite the sentences, using conditional clauses.** 1/ I (do) if I (have) time. 2/ If she (not try), she (not succeed). \- \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 3/ If I (see) her, I (tell) her. \- \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 4/ (You do) it if I (ask) you ? **[Exercise II :] Supply the correct verb tense.** 1/ If you are kind to me, I (be) \_\_\_\_\_\_\_ good to you. 2/ If you (ring) \_\_\_\_\_\_\_ the bell, the servant would come. 3/ If I had known that the baby was hungry, I (feed) \_\_\_\_\_\_\_ him. 4/ If it (not, rain) \_\_\_\_\_\_\_ a lot, the rice crop wouldn't grow. 5/ If she had had your address, she (write) \_\_\_\_\_\_\_ to you. 6/ Provided he (not, be) \_\_\_\_\_\_\_ interrupted, he can finish the work on time. 7/ If it (be) \_\_\_\_\_\_\_ convenient, let's meet at three o'clock. 8/ He (not, have) \_\_\_\_\_\_\_ an accident if he had not been driving so fast. 9/ You would have to stay in bed unless your health (improve) \_\_\_\_\_\_\_. 10/ Had I known that she was sick, I (visit) \_\_\_\_\_\_\_ her. **[EXERCISE III] : Use "if.....not" in place of "unless"** 1/ We won't go out [unless] it stops raining. -\_\_**We won't go out [if] it does[n't] stop raining.**\_\_\_\_ 2/ I will call the police unless you give back my bicycle. -\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 3/ You wouldn't be able to do this exercise unless your English were good. -\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 4/ Unless we had enough rain, we couldn't grow rice. -\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 5/ The fishermen couldn't have caught a lot of fish unless they had had good nets. -\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ **[EXERCISE IV :] Rewrite the following sentences using If clauses.** *[Model :]* a/ My brother will have enough money. He will buy a bicycle. **→ If my brother has enough money, he will buy a bicycle.** b/ She can't speak English. She won't apply for the job. **→ If she could speak English she would apply for the job.** c/ He wasn't here. He didn't have a lot of fun. **→ If he had been here, he would have had a lot of fun.** 1/ She can't be employed because she doesn't have a college degree. → \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 2/ I didn't have enough money. I could't go on a long holiday last year. → \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 3/ He is very slow, so we won't give him such an important task. → \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 4/ I'll have to work this Sunday, so I cannot join your picnic. → \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ 5/ He worked overtime to get more money because he had to pay father's debt. → \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_