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如: He asked me where we should meet. doubt ? 肯定句中 doubt后跟 if/whether,否定句中doubt后面跟 that. sb. doubts if/whether….. sb. doesn’t doubt that ……. There is no doubt that ……. There is no doubt that he will win the game. 。 如: When the meeting will begin_____not been decided yet. When they will start and where they go ___not been decided yet. When and where the meeting will begin ___not been decided. has have has 賓語(yǔ)從句中主句和從句的時(shí)態(tài)保持一致,但如果從句中表示提示的是客觀現(xiàn)象,雖然主句是過去時(shí)態(tài),從句仍用一般現(xiàn)在時(shí)