题目内容
6.-Can you guess if they speaking English with us?-I think they will do if they free.( )
A. | will practise,are | B. | will practise,will be | ||
C. | practising,being | D. | practise,are |
分析 -你能猜猜他们是否将和我们练习英语?
-我认为如果他们有空,他们将会这么做.
解答 答案:A 根据Can you guess if可知,if在动词后面,它引导的是宾语从句,表示"是否".当主句是一般现在时态或含情态动词的句子,宾语从句应该根据需要选用任何时态.此句由guess可知,动作还没有发生,所以用一般将来时态,排除CD;又根据I think they will do if可知,if(如果)引导的是条件状语从句,当主句是一般将来时态,从句应该用一般现在时态表将来,我们称这一现象为"主将从现",排除B.故选A.
点评 本题考查宾语从句和状语从句,if引导的是条件状语从句,当主句是一般将来时态,从句应该用一般现在时态;if引导的是宾语从句,当主句是一般现在时态或含情态动词的句子,宾语从句应该根据需要选用任何时态.
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