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English 23 Public

实义动词三单、否定 /介词In、on、at

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动词什么时候变三单

主语是第三人称单数时

15

study 三单

studies

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fly三单

flies

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do三单

does

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go三单

does

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have三单

has

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buy三单

buys

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play三单

plays

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play否定

don't play/doesn't play

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buy否定

don't play/doesn't play

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have否定

don't play/doesn't play

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go否定

don't play/doesn't play

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do否定

don't do/doesn't do

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fly否定

don't fly/doesn't fly

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There are some apples ___.

on the tree

in the tree

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A monkey is ___.

on the tree

in the tree

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