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aid she was right. 主句是一般過去時 從句時態(tài)必須是 相對應 的過去式 什么是相對應的過去時? ? He will go to Hong Kong . ? He is sick. ? He is reading a book . ? He has finished his work. he would go to Hong Kong. he was sick. he was reading a book . he had finished his work. He said 主句時態(tài) 從句時態(tài) 連接前 連接后 一般現在時 時態(tài)保持不變 一般過去時 一般現在時 一般過去時 一般過去時 過去完成時 一般將來時 過去將來時 現在進行時 過去進行時 現在完成時 過去完成時 He said the earth moved around the sun. He said the earth moves around the sun. 不變的真理,規(guī)律永遠都用一般現在時 真理規(guī)律永一現 Could you tell me how I could go there? Could you tell me how I can go there? Could, Would等表示委婉語氣,時態(tài)不受影響 委婉語氣不影響 判斷 yes or no 主句時態(tài) 從句時態(tài) 一般現在時、一般將來時、祈使句時 根據句意的需要用任意一種時態(tài) 一般過去時 與原句相對應的過去的時態(tài)(一般過去時、過去將來時、過去進行時、過去完成時) 客觀事實、真理、自然現象、名言警句、諺語等 一律用一般現在時 拓展:賓語從句轉化為簡單句 : 1) I don’t know what I shall do next. I don’t know what to do next. 2)John didn’t decide which shirt he would buy. John didn’t decide which shirt to buy. 當賓語從句的主語和主句的主語相同,且主句的謂語動詞是 know, remember, fet, learn, decide 等時,從句可簡化為“疑問詞 +不定式”結構。 I don’t believe he has finished his homework. 當從句的原句為以下句子以及 what, who作主語時,語序不變 : What’s wrong? What’s the matter? What’s happening? eg: I don’t know what’s the matter. Can you tell me who is over there? 注意了:前方有坑! 1. I asked him whether he ______ how to pronounce this word. A. knows B. knew C. has known