【正文】
Did you study German? 你們學(xué)過德語嗎?2)do + not 構(gòu)成否定句。例如:English has been taught in China for many years. 中國教英語已經(jīng)多年。例如:I have been studying English for ten years. 我一直在學(xué)英語,已達(dá)十年之久。By the end of last month, they had finished half of their work. 上月未為止,他們已經(jīng)完成工作的一半。高二英語必修五上冊(cè)知識(shí)點(diǎn)總結(jié)1)have +過去分詞,構(gòu)成完成時(shí)態(tài)。例如:He has left for London. 他已去了倫敦。2)have + been +現(xiàn)在分詞,構(gòu)成完成進(jìn)行時(shí)。3)have +been +過去分詞,構(gòu)成完成式被動(dòng)語態(tài)。 的用法1)構(gòu)成一般疑問句。例如:I do not want to be criticized. 我不想挨批評(píng)。In the past, many students did not know the importance of English.過去,好多學(xué)生不知道英語的重要性。例如:Don’t go there. 不要去那里。說明: 構(gòu)成否定祈使句只用do,不用did和does。例如:Do e to my birthday party. 一定來參加我的生日宴會(huì)。I do miss you. 我確實(shí)想你。例如:They are having a meeting. 他們正在開會(huì)。2) be + 過去分詞,構(gòu)成被動(dòng)語態(tài)。English is taught throughout the world. 世界各地都教英語。例如:He is to go to New York next week.. 他下周要去紐約。說明: 這種用法也可以說成是一種將來時(shí)態(tài)表達(dá)法。例如:You are to explain this. 對(duì)此你要做出解釋。c. 征求意見。例如:We are to meet at