题目内容
11.The new car cost Mr.Smith a lot of money.(改为否定句)The new cardidn'tcostMr.Smith much money.
分析 新车花了斯密斯先生很多钱.
新车花没有花密斯先生很多钱.
解答 答案:didn't cost.这里是一般过去时,借助于did构成否定句,后加动词原形cost,故答案是didn't cost.
点评 含有be动词,情态动词或者助动词have/has的句子转化成否定时在其后面加上not,一般实意动词的否定式,通常应根据不同时态和人称在实意动词之前加don't,doesn't,didn't等.
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