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以前 有一個大湖和很多鴨子??傆?圖標,25K字節(jié)04年3月日圖標 39。 tileAuthorware 文件 39。 有 there be There was a big lake and there were lots of ducks. 一般過去時 肯定句變否定句 Be動詞類 ? 否定句 實義動詞類 1. ( be動詞類)在表示過去存在的 狀態(tài) 的句子中在 was, were的后面加上 not。 take took take photos 拍照片 I took some photos. 我拍了一些照片。39。39。 如: 肯定句: He was in the park the day before yesterday. 否定句: → He was not in the park the day before yesterday. 肯定句: We were busy last week. 否定句: → We were not busy last week. 2.(行為動詞類)要在行為動詞的前面加助動詞 didn’t. 然后把動詞過去式改為動詞原形。 I was a student last year . 動詞過去式 的構(gòu)成 規(guī)則動詞 不規(guī)則動詞 規(guī)則動詞 過去式的構(gòu)成 一般在動詞末尾加 – ed looked look play start played started 結(jié)尾是 e 的動詞只加 d live hoped hope use lived used , 先 雙寫 這個輔音字母,再加 —ed stop stopped plan planned 4. 以“輔音字母 +y”結(jié)尾的詞, 先變“ y”為“ i”再加 — ed study studi