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wish，既可以用作动词，也可以用作名词，用作动词时宾语从句中需要用虚拟语气。wish后面接不定式或“宾语+不定式”都可以,其意义相当于“想要”,“希望”动词wish后接宾语从句时，从句谓语要用虚拟语气。
wish的用法有哪些
wish v.希望; 祝愿; 想要；n.希望; 愿望; 祝福; 希望的事;
1.wish作为及物动词,可接名词或代词作宾语.
Do you wish a pen or a book?
你要的是钢笔还是书?
2.wish能接双宾语表示祝愿.
I wish you success.我祝你成功.
3.wish能接复合宾语.
I wish you to go with me.
我希望你同我一道去.
4.wish能接that引导的从句,从句的谓语动词要用虚拟语气（动词用过去时,或过去完成时）.
I wish that I knew the answer.
我希望我知道这个答案.
I wish I had bought it yesterday.
我希望昨天买了它.
wish的虚拟语气用法
动词wish后接宾语从句时，从句谓语要用虚拟语气。若要表示与现在事实相反的愿望，从句谓语用一般过去时或过去进行时；若表示与过去相反的愿望，从句谓语用过去完成时或would / could+have +过去分词；若表示将来没有把握或不太可能实现的愿望，用would (could)＋动词原形。如：
I wish I were not so busy. 但愿我不那样忙碌。
I wish I were [was] better looking. 要是我长得漂亮些就好了。
She wished she had stayed at home. 她后悔的是她当时要是留在家里就好了。
I wish you would go with us tomorrow. 要是你明天同我们一起去就好了。
I wish you wouldn’t look down on this kind of work. 我希望你不要看不起这种工作。
This watch has gone wrong. I wish I had bought a better make. 这只表坏了，我真愿意我买的是好一点的牌子。