教研课《Module10 Unit1 Did you fall off your bike》ppt课件
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动词过去式的变法口诀:

Yesterday,表过去,要用一般过去式; 规则动词加 ed;有 e 直接加上 d; Talk, talk, talked; Listen, listen, listened; Watch, watch, watched; Phone, phone, phoned. 不规则的特殊记,are 变 were; am/is 变 was; do/does 变 did。