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20xx人教版英語(yǔ)八年級(jí)下冊(cè)u(píng)nit 5《what were you doing when the rainstorm came》(section b 2)課件(文件)

 

【正文】 rtant to me because many people died in the earthquake. They need some help. Lots of people came to help them. 單元目標(biāo) when, while 過(guò)去進(jìn)行時(shí) 1. 概念 : 表示過(guò)去某個(gè)時(shí)刻或過(guò)去一段時(shí) 間正在進(jìn)行的動(dòng)作。 C 3) He ______ (write) a letter, then went to bed. wrote wrote表示動(dòng)作已結(jié)束,做另一件事,如用 was writing就與 went to bed在邏輯上相矛盾。 ① 表示狀態(tài)的動(dòng)詞 be; ② 感官動(dòng)詞: feel, hear, see, smell, taste等 。如: They were singing while we were dancing. I. 根據(jù)漢語(yǔ)意思完成句子。 wasn’t cleaning went knocked II. 用 when或 while填空。 2. While Ann ____________ TV, her father _______ home. 安正在看電視時(shí),她父親回來(lái)了。 區(qū)別: 1. 由 when引導(dǎo)的時(shí)間狀語(yǔ)從句,主句用過(guò) 去進(jìn)行時(shí) , 從句應(yīng)用一般過(guò)去時(shí); 由 while引導(dǎo)的時(shí)間狀語(yǔ)從句,主句用 一般 過(guò)去時(shí),從句應(yīng)用過(guò)去 進(jìn)行 時(shí) 。 一般過(guò)去時(shí)表示過(guò)去某時(shí)發(fā)生過(guò)某事,側(cè)重說(shuō)明事實(shí)。如: They were playing basketball when she arrived. While they were playing basketball, she arrived. 過(guò)去進(jìn)行時(shí) 著重描述當(dāng)時(shí)正在持續(xù)進(jìn)行的動(dòng)作,它的特點(diǎn)是: 暫時(shí),持續(xù)和未完成,強(qiáng)調(diào)過(guò)程 ; 一般過(guò)去時(shí) 表示發(fā)生過(guò)的動(dòng)作或存在的狀態(tài),即表示動(dòng)作 發(fā)生過(guò),而且已經(jīng)結(jié)束了,強(qiáng)調(diào)結(jié)果 。 2. 句子結(jié)構(gòu) : 主語(yǔ) + was/were + doing sth. + 時(shí)間狀語(yǔ) 3. 時(shí)間狀語(yǔ)詞 : at 5:00 yesterday afternoon, at that time, then等連用 , 或者用另一動(dòng) 作來(lái)表示過(guò)去的時(shí)間。 過(guò)去進(jìn)行時(shí)側(cè)重表示動(dòng)作延長(zhǎng)的時(shí)間長(zhǎng)度 。 ③ 表示思維或心理狀態(tài)的動(dòng)詞: believe (認(rèn)為 ), fet, consider, know, remember, hope, wish, wa
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