譯林版五年級(jí)下冊(cè)英語(yǔ)素材unit5-helping-our-parents-知識(shí)點(diǎn)梳理(編輯修改稿)
2025-04-05 06:11 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 ②現(xiàn)在進(jìn)行時(shí)的變化 肯定句式：主語(yǔ) + be( am, is, are)+ Ving +其它. I am doing my homework. He is washing his clothes. You are flying a kite. 否定句式：主語(yǔ) + be(am, is, are) +not + Ving +其它. I am not doing my homework. He is not washing his clothes. You are not flying a kite. (跟一般現(xiàn)在時(shí)中的一般動(dòng)詞一樣，只需要將助動(dòng)詞be動(dòng)詞改成否定形式，其他部分保持順序不變) 一般疑問(wèn)句：Be(am, is, are) + 主語(yǔ) + Ving +其它？ Are you doing your homework? Is he washing his clothes? Am I flying a kite?(跟一般現(xiàn)在時(shí)中的一般動(dòng)詞一樣，只需要將助動(dòng)詞be動(dòng)詞提到句首，其他部分保持順序不變) 特殊疑問(wèn)句：疑問(wèn)詞+ be(am, is, are)+ 主語(yǔ) + Ving +其它？ What are you doing in the house? Where is he going? When is she doing her homework? ③動(dòng)詞的ing形式的變化 1）一般情況在動(dòng)詞原形后直接加 ing gogoing ， standstanding ， cookcooking, dodoing 2）以e 結(jié)尾的動(dòng)詞，要去掉 e + ing. taketaking, makemaking, havehaving 3）重讀閉音節(jié)動(dòng)詞，要雙寫(xiě)最后一個(gè)字母， 再加ingget getting ， putputting， run—running, beginbeginning ， swimswimming 4） 以 ie 結(jié)尾的動(dòng)詞，把 ie 變成 y ，再加 ing.
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