1.句子主體：末班車還沒來，但表轉(zhuǎn)折精拟，時間：半小時過去了蝴簇，已經(jīng)過去了用過去完成時杯活。我們只好走回家，根據(jù)語境熬词，用一般過去時
Half an hour had gone by,but the last bus hasn't come.So we had to walk home.
2.主干：瑪麗擔心漢語考試旁钧，原因是她還沒背熟課文
Mary looks as if she is very warry about Chinese exam,because she hasn't learned the text by heart.
3.主干：我們?nèi)⒂^博物館，條件籃球賽已被推遲互拾，被動語態(tài)歪今，現(xiàn)在完成時
Since the basketball match has been postponed,we might as well visit the museum.
4.主干：他一直住在澳大利亞，和他的父母颜矿，時間是整個二次世界大戰(zhàn)期間寄猩。二戰(zhàn)是過去的事，用一般過去時
All the way he stayed in Australia with his parents through the World War Ⅱ.
5.主干：我和我的大學同學失去了聯(lián)系或衡，過去完成時焦影，時間自1985年從南京大學畢業(yè)至今车遂，用since引導
I had kind of lost touch with my university classmates,since we graduated from Nan jing University in 1985.
