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present perfect - When is it necessary to use have had? - English . . . If I say "have had", I connect the event to the present, so it is possible that I might have more homework, and I could say something like this on, e g , a Wednesday (in the middle of the week) Another example will illustrate the importance of the connection to now: I had a lot of homework last year *I have had a lot of homework last year
have+过去分词 和 had +过去分词 有什么区别 - 百度知道 1、have done是现在完成时,表示过去发生的事情对现在造成的影响。常见搭配的时间词有:for two year, already, yet,since 例句:我已经做完作业了。I have finished my homework 2、had done是过去完成时,表示动作发生在说话时之前,即过去的过去。常见
have had与have bought的区别 - 百度知道 have had 强调已经拥有。have bought 强调已经买了 have had 可以用在其它地方,比如have had a good time in *** have bought 是强调买,被卖的东西有很多的时候和have had 一样,被卖的只有一个的时候可以解释成已经没有了,强调的东西不同。意思都可以
When do we use “had had” and “have had”? [duplicate] You might say, "Last year I had wanted to buy a new television, but now I don't have the money " Now let's use the verb to have instead of to want Suppose that at sometime in the past I had something, but I don't have it at present You might say, "Last year I had had the idea to buy a new television, but now I'm not sure I want to "
have与had的用法 - 百度知道 2、 have had也可以作为一般动词,意为“拥有”“进行”“吃”“使得”“让”等。 如果后接不定式,意为“不得不”。 因为它们不是特殊动词,所以不能在它们后面加not构成否定句,不能把它们移到句首构成疑问句。