小升初孩子难搞定的英语单词 愁眉不展的 did
<p> <span word="Hi">Hi</span>!<span word="Dear">Dear</span> <span word="friends">friends</span>! 大家都认识我吧，我是助动词<span word="did">did</span>，我的最大特点就是善解人意、助人为乐嘛！可是呀，有时我的心情会很糟糕!这是因</p><p> 为一些粗心的朋友不理解我。现在我想把我的烦恼说出来，希望大家能够关心我，别再令我烦恼了，</p><p> <span word="OK">OK</span>?</p><p> 1. 到底何时使用我？</p><p> 我和其它助动词一样，本身无意义，自己不能独立作谓语，只能和其它主要动词一起构成谓语，用于构成一般过去时的否定句和疑问句</p><p> ，当然也常常用于代替上文中的行为动词的过去式。如:</p><p> <span word="I">I</span> <span word="didn">didn</span>\'<span word="t">t</span> <span word="go">go</span> <span word="to">to</span> <span word="school">school</span> <span word="last">last</span> <span word="Sunday">Sunday</span>. 上周日我没上学。</p><p> <span word="Did">Did</span> <span word="you">you</span> <span word="buy">buy</span> <span word="a">a</span> <span word="new">new</span> <span word="pen">pen</span> <span word="yesterday">yesterday</span>? 昨天你买了枝新钢笔吗？</p><p> 2.我身后的动词到底用什么形式？</p><p> 有的小朋友总不注意我身后的动词用什么形式，你说我多么烦恼呀！其实，在否定句和疑问句中，我身后的动词必须用原形。不信你</p><p> 来瞧：</p><p> 他昨天没有在家吃午饭。</p><p> [误] <span word="He">He</span> <span word="didn">didn</span>\'<span word="t">t</span> <span word="had">had</span> <span word="lunch">lunch</span> <span word="at">at</span> <span word="home">home</span> <span word="yesterday">yesterday</span>.</p><p> [正] <span word="He">He</span> <span word="didn">didn</span>\'<span word="t">t</span> <span word="have">have</span> <span word="lunch">lunch</span> <span word="at">at</span> <span word="home">home</span> <span word="yesterday">yesterday</span>.</p><p> 3. 我能用<span word="be">be</span>动词代替吗？</p>
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