? [析] need用在疑问句和否定句中常用作情态动词,其后接不带to的不定式。由must提问的问句作答语时,如是肯定的要用must,否定的要用needn't,即为没有必要。在肯定句中常用作实意动词,如:I need to wait for my boy.
? [误] Is this book yours?
? Yes, It's.
? [正] Is this book yours??
Yes, It is.
? [析] 在肯定的回答中不要用缩写形式,而在否定的回答中可以用缩写形式,如:No. It isn't.
? [误] I'll have my bike repair tomorrow.
? [正] I'll have my bike repaired tomorrow.
? [析] have+人+动词原形或现在分词意为:让某人作某事,如:My father had me to learn how to drive, 或My father had me doing my homework from morning till might?? have+物+动词的过去分词为某件事被别人完成。如:I have my hair cut.我去理发。而不是自己理发。如果讲我想自己作某事,则用I want to repair my bike myself.
? [误] I'll get my brother repair the bike for you.
? [正] I'll get my brother to repair the bike for you.
? [析] have与get的用法有相同之处,也有不同之处。相同之处,如:have something done, 也可用get something done, 或have (get) somebody doing something但不同之处在于have somebody do something 在用get时则要用get somebody to do something。
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