這是虛擬從句的用法.
在if 引導(dǎo)的虛擬條件句中,若表示與現(xiàn)在事實相反,從句謂語用“動詞過去式(be 的過去式用were ),主句謂語用“would(should,could,might)+have+過去分詞”;若表示與將來事實相反,從句謂語用“動詞過去式(were to +動詞原形,should+動詞原形)”,主句謂語用“would(should,could,might)+動詞原形”.若把從句中were,should 或had移到句首,可省略從句的連詞 if 并使用倒裝語序.所以A或D不行.還是不大懂,既然should he work可以。為什么 would he work 不可以呢。。。因為只有當were, should 或had移到句首,才可省略從句的連詞 if 并使用倒裝語序。以后做選擇題,遇到虛擬從句的倒裝句,第一個單詞不是should,were,had,直接排除準沒錯。
英語選擇()harder on his science project,he would win the first prize in the competiti
英語選擇()harder on his science project,he would win the first prize in the competiti
30.________ harder on his science project,he would win the first prize in the competition to be held in Harbin.
A.Would he work B.Should he work
C.Had he worked D.If he works
為什么不選A或D呢.
30.________ harder on his science project,he would win the first prize in the competition to be held in Harbin.
A.Would he work B.Should he work
C.Had he worked D.If he works
為什么不選A或D呢.
英語人氣:423 ℃時間:2020-10-01 06:45:53
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