牛津8aunit1grammar如何使用現(xiàn)在完成時-資料下載頁
2024-12-04 17:32本頁面
【導(dǎo)讀】的用法，但這4種時態(tài)還不能滿足我們表達的需要?；蛘摺澳橙俗瞿呈露嗑谩?，以上五種時態(tài)就派不上用場了?！F(xiàn)在完成時表示。has，其余人稱一律用have。規(guī)則動詞過去分詞的構(gòu)成與。過去式的構(gòu)成方式一樣，不規(guī)則動詞可參看不規(guī)則動詞表。2）Shehaslostherbooks．她丟失了她的書。的縮略式分別為haven't，hasn't。另外，肯定句中有some，already時，改為否定時要分別改。2）Shehasn'ttravelledonatrain．她沒有坐火車旅行過。any，yet就構(gòu)成了一般疑問句。她曾經(jīng)出過國嗎？（洗衣服的動作已完成，其結(jié)果是“衣服冼干凈了”。那位婦女還沒有找到她的狗。3．just意為“剛剛”，表示行為剛剛過去，常放在助動詞與過去分詞之間。6．before意為“以前”，指過去不確定的某個時間，總是放在句末，不受句型的限制。表示過去已經(jīng)開始，持續(xù)到現(xiàn)在的動作或狀態(tài)。
【正文】 t．（改為肯 定句） Julia ______ _______ ________ home from school ． 4． You have never been to Shanghai before， _________ _________ ？（改為反意疑問句） 5. He’s gone to Beijing, ______ ______?（改為反意疑問句） 6． Mr Wang began to teach English in this school in 1999．（改為同義句） Mr Wang _________ _________ English in this school since 1999． 7. He hasn’t left home for 3 days.(同義句 ) He _____ ______ ______ home for 3 days. 8. They have lived here since 3 years ago. (對劃線提問 ) II．選擇正確答案。 ( )1． —Who is Mary ？ — ____？ I saw you talking with her at the meeting ． A． Don39。t you meet her yet B． Didn39。t you met her yet C． Haven39。t you met her yet D． Hadn39。t you met her yet ( )2． —How do you like Beijing ， Mr Black？ — Oh ， I ____ such a beautiful city ． A． don39。t visit B． didn39。t visit C． haven39。t visited D． hadn39。t visited ( )3． The old people ____ lonely at all since we began to visit them once a week． A． don39。t feel B． hasn39。t felt C． haven39。t felt 39。t feel ( ) 4． We have lived here ____ five years ago． A． when B． since C． before D． after
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