题目内容
10.Jake has already downloaded many free games from the App store.(改为否定句)Jakehasn't downloaded many free games from the App storeyet.
分析 杰克已经从手机应用商店下载了很多免费游戏.
杰克还没有从手机应用商店下载很多免费游戏.
解答 答案:hasn't…yet.原句是现在完成时,其中的has是助动词,否定句时在后面加上not缩写成hasn't,already表示已经,改为否定句时用yet放句末,故答案是hasn't,yet.
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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