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新概念中的句子分析if the bridge were packed with cars 中用were是不是表虚拟,为何

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/15 15:35:13
新概念中的句子分析
if the bridge were packed with cars 中用were是不是表虚拟,为何不用was?
是的,虚拟语气,与现在事实相反的假设用过去时;与将来时间相反的时候就用过去将来时.
在虚拟语气的从句中,动词'be'的过去时态一律用"were",不用was,即在从句中be用were代替.
If I were you,I would go to look for him.
如果我是你,就会去找他.
If he were here,everything would be all right.
如果他在这儿,一切都会好的.
典型例题
_____ to do the work,I should do it some other day.
A.If were I B.I were C.Were I D.Was I
答案C.在虚拟条件状语中如果有were,should,had这三个词,通常将if省略,主语提前,变成 were,should,had +主语的形式.但要注意,在虚拟条件状语从句中,省略连词的倒装形式的句首不能用动词的缩略形式.如我们可说 Were I not to do.,而不能说 Weren't I to do.