助动词do doesdid 和be动词am is are用法的区别

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助动词,动词,用法,区别,doesdid



do \ does \ did beam \ is \ are



助动词do \ does \ did

do是原形,用于一般现在时态中的第一二人称和第三人称的复数(I,you,we,they doesdo的第三人称单数形式,用于一般现在时态的第三人称单数(he,she,it,姓名) diddo的过去式,用于一般过去时态的任何人称(I,you,he,she,it,we,they 不管怎样,跟在这三个词后面的动词都必须为动词原形

do \ does \ did+ V.(动词原形) 例如:

Do you like meat\ bananas\fish\apples? No,I don`t. Does he like apples? No,he doesn`t. He does like apples. like就是原形

Where did he go yesterday? 他昨天哪儿了? Did you study English? 你们学过英语吗?

系动词(be动词)am \ is \ are

be是系动词,又称be动词,包括amisare三个。 am用于第一人称单数;(I) 第三人称单数用is(he\she\it)

其他人称全部都用are(we \they\ you\ )

was am \ is 的过去式) wasnt wereare 的过去式) werent



练习题:

______she like drinking? ________they play football? ______she beautiful? ________your dog walk in the zoo? ______she come from China? He ________ like pears. ______she from China? _______ your cats eat fish?

______ he watch TV at night? _______ you go to school everyday? ______ we have a good teacher? I ________ have a watch. ______you a student? , .(否定回答)

There ______ many boats on the lake. Children ______ happy yesterday. Amy ______ hungry yesterday. ______ they young then? ______ he tall then? , .(否定回答) ______ it sunny? , .(否定回答)

______ it windy yesterday ______ Beijing? , .(否定回答) ______ she ______ ______ zoo then? , .(否定回答)


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