【正文】 st out of (= because of) habit. ? 我過去一個(gè)星期游兩次泳 , 但最近我似乎 戒除了這一習(xí)慣 。 habit 用來指一個(gè)人根深蒂固的一種行為方 式，它如此地根深蒂固，以致于人們不用有 意識(shí)地去想就能完成這個(gè)動(dòng)作。 ? 出于習(xí)慣 我總是買相同品牌的牙膏。 ? 出于習(xí)慣 我總是買相同品牌的牙膏。 ? 出于習(xí)慣 我總是買相同品牌的牙膏。 If it should rain tomorrow, our piic would be put off. We can also put should, were and had at the beginning of an unreal conditional sentence. In this case, if is not needed any more. We can also put should, were and had at the beginning of an unreal conditional sentence. In this case, if is not needed any more. 1. If you should make a mistake, you should not be embarrassed. We can also put should, were and had at the beginning of an unreal conditional sentence. In this case, if is not needed any more. 1. If you should make a mistake, you should not be embarrassed. → Should you make a mistake, you should not be embarrassed. 2. If you had told me earlier, I would not have this problem now. 2. If you had told me earlier, I would not have this problem now. → Had you told me earlier, I would not have this problem now. 2. If you had told me earlier, I would not have this problem now. 3. If you were to take the train, you would be there much sooner. → Had you told me earlier, I would not have this problem now. 2. If you had told me earlier, I would not have this problem now. 3. If you were to take the train, you would be there much sooner. → Had you told me earlier, I would not have this problem now. → Were you to take the train, you would be there much sooner. Fill in the blanks with the verbs given in the brackets in their proper forms. Fill in the blanks with the verbs given in the brackets in their proper forms. 1. You didn’t let me drive. If we ____________ (drive) in turn, you ___________________ (not get) so tired. 2. _____ it __________ (not be) for your help, I couldn’t have made any progress. Fill in the blanks with the verbs given in the brackets in their proper forms. 1. You didn’t let me drive. If we ____________ (drive) in turn, you ___________________ (not get) so tired. 2. _____ it __________ (not be) for your help, I couldn’t have made any progress. had driven Fill in the blanks with the verbs given in the brackets in their proper forms. 1. You didn’t let me drive. If we ____________ (drive) in turn, you ___________________ (not get) so tired. 2. _____ it __________ (not be) for your help, I couldn’t have made any progress. had driven wouldn’t have got Fill in the blanks with the verbs given in the brackets in their proper forms. 1. You didn’t let me drive. If we ____________ (drive) in turn, you ___________________ (not get) so tired. 2. _____ it __________ (not be) for your help, I couldn’t have made any progress. had driven wouldn’t have got Had not been 3. ________________ it ___________ _____ (rain) tomorrow, the match would be called off. 4. Jean doesn’t want to work right away because she thinks that if she __________________________ ____ (get) a job, she probably wouldn’t be able to see her friends very often. 3. ________________ it ___________ _____ (rain) tomorrow, the match would be called off. Were / Should to rain / rain 4. Jean doesn’t want to work right away because she thinks that if she __________________________ ____ (get) a job, she probably wouldn’t be able to see her friends very often. 3. ________________ it ___________ _____ (rain) tomorrow, the match would be called off. Were / Should to rain / rain 4. Jean doesn’t want to work right away because she thinks that if she __________________________ ____ (get) a job, she probably wouldn’t be able to see her friends very often. got were to get / should get6. — Well done, Jack! — Thanks. But given more time, I __________________________ ____________ (do) it better. 5. Much labour would have been saved if electronic puter ___________ __________ (invent) before. 6. — Well done, Jack! — Thanks. But given more time, I __________________________ ____________ (do) it better. 5. Much labour would have been saved if electronic puter ___________ __________ (invent) before. had been invented 6. — Well done, Jack! — Thanks. But given more time, I __________________________