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school every day. (一般現(xiàn)在時 ) You were at school yesterday. (一般過去時 ) Were you at school yesterday? Yes, I was. / No, I wasn’t. 肯定回答和否定回答時態(tài)要與問句中的 時態(tài)一致。 3. 如果陳述句中的動詞為一般過去時的 實義動詞 , 變成疑問句時 , 要用助動詞 do 的過去一般式 did幫助構(gòu)成 , 這時謂語 動詞用動詞原形。 We had different kinds of seafood yesterday? Did you have different kinds of seafood yesterday? 動詞過去時的變化規(guī)則 1) 一般情況下 , 在動詞原形末尾加 ed 。 2) 結(jié)尾是字母 e 的動詞加 d, 如 practice practiced; 3) 結(jié)尾是“輔音字母 +y” 的動詞 , 變“ y”為“ i” 再加 ed, 如 study studied。 4) 重讀閉音節(jié)結(jié)尾 , 雙寫動詞尾的輔音字母, 再加 ed, 如 stop stopped。 go take have eat hang see went took had ate hung saw 動詞原形 動詞過去式 動詞原形 動詞過去式 lived did cried put watched visited played dropped planned live do cry put watch visit play drop plan get are am, is move decide study stop copy got were was moved decided studied stopped copied 動詞原形 動詞過去式 Explanation 1. had (have) a great/good time. 玩得愉快 2. trip n. 意為“旅行” ,它的同義詞有 tour, travel 1) trip指短距離的旅行 ,?;氐皆霭l(fā)地 , 不強調(diào)旅行的方式或目的。 2) tour指“周游” ,“巡回旅行” ,常常是訪問一系列 地方后又回到原出發(fā)地。 3) travel常指到國外或某個遙遠的地方去 , 不強調(diào)具體的目的地。 eg. Our friends are making a tour of Shanghai. 我們的朋友正對上海進行巡回旅行。 He came back home after years of foreign travel. 在多年的國外旅行后他回了家。 3. Finally, tired but happy, they took the bus back to school. 最后 ,他們雖然很累 ,但他們很高興 ,他們 乘坐公共汽車返回了學校。 tired but happy在句中作伴隨狀語。 形容詞或形容詞短語在句中作狀語時 , 還可以表示原因或時間。 例如: Much interested, he decided to have a try. 由于非常感興趣 , 他決定試一試。 Ripe, these apples are very sweet. 這些蘋果熟透時非常甜。