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時間狀語從句講解和練習(xí)(答案)-在線瀏覽

2025-08-09 14:58本頁面
  

【正文】 時。例如:Since he met this good friend, he has made great progress in his studies.自從遇見了這個好朋友,他已在學(xué)習(xí)上取得了巨大的進步。(主句中的動詞表示的是狀態(tài),用現(xiàn)在時。(1)表示“直到……”,如果主句中的謂語動詞是延續(xù)性動詞時,用肯定或否定形式都可以,但表達的意思不同。如果主句中的謂語動詞是瞬間動詞時,必須用否定形式。She didn’t go to bed until she finished her homework. 她寫完作業(yè)才睡覺。例如:As soon as she came to the classroom, she began to read ,就開始讀英語。39。39。為止 (所在句子的主句應(yīng)用完成時)例如:By the time he gets there , his father has already ,他爸爸已經(jīng)走了。知識擴展1. it is +時間段+since+一般過去時(從。 2. it is/ will be +時間段+before+一般現(xiàn)在時 , it was+時間段 +before+一般過去時 (。   it was an hour before the police ,警察才來。常見的瞬間動詞有die(死),e(來),go(去),eave(離開),arrive(到達),begin(開始),buy(買),,join(加入),borrow(借進,借出),return(歸還)等。  注釋:  1.開始離去,借來還為begin,leave,go,borrow,e,return六詞;  2.出生入死,買到家為join,die,buy,arrive四詞。39。小試牛刀:Mother (cook)supper when I (get) home yesterday. Last Sunday I (meet) Lin Hong when I (walk) in the street. When the students (have ) a meeting, the teacher (e) in. While Han Meimei (sweep) the floor, Lucy (carry) water.2. 由when、after、before、by the time引導(dǎo)的時間狀語從句的時態(tài):主句、從句的謂語動詞都已完成,則先發(fā)生的動作用過去完成時,后發(fā)生的動作用一般過去時。(主將從現(xiàn):主句用將來時,而時間狀語從句用一般現(xiàn)在時) 小試牛刀:As soon as I reach Canada, I you up. (ring) I will call you as soon as I the result. (know) He ________ (bee) a solider when he ______(grow) up . He _________ (wait) until the rain _________ .( stop)一、單項選擇。t start___ everyone was there.A. Because B. until C. why D. if2 The boy ___ to bed ___ his mother came in.A. went not。t go。 until D. didn39。 until3.He _________ wait until the rain _________ . A.won’t, will stop    B.won’t, stop C.will, stops   D.will, will stop4.As soon as Jane _________ here, I’ll post the
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