【正文】
當(dāng)兩個(gè)延續(xù)性動(dòng)詞同事發(fā)生時(shí),兩個(gè)句子都使用過(guò)去進(jìn)行時(shí),并用while連接。When可以和延續(xù)性動(dòng)詞連用,也可以和短暫性動(dòng)詞連用,而while只能和延續(xù)性動(dòng)詞連用??隙ńY(jié)構(gòu):主語(yǔ)+was/were + doing+其他否定結(jié)構(gòu):主語(yǔ)+was/were + not + doing+其他一般疑問(wèn)句結(jié)構(gòu):Was/Were+主語(yǔ)+doing+其他?答語(yǔ):Yes,主語(yǔ)+was/were,/ No,主語(yǔ)+wasn’t/weren’t.特殊疑問(wèn)句結(jié)構(gòu):特殊疑問(wèn)詞+ was/were+主語(yǔ)+ doing+其他?2 過(guò)去進(jìn)行時(shí)中when,while和as的用法 當(dāng)兩個(gè)比較長(zhǎng)的動(dòng)作發(fā)生時(shí),我們可以在兩個(gè)從句中用過(guò)去進(jìn)行時(shí),以‘while’連接?!局攸c(diǎn)語(yǔ)法】1 過(guò)去進(jìn)行時(shí)的結(jié)構(gòu)及用法 過(guò)去進(jìn)行時(shí)態(tài)表示過(guò)去某一時(shí)間正在進(jìn)行的動(dòng)作行為。7 Luckily, there was just enough space for me to move. 幸運(yùn)的是,有足夠的空間來(lái)容我移動(dòng)。5 Outside, people were running in all directions while pieces of glass and bricks were failing down. 外面,人們四處奔跑,成片的玻璃與磚頭紛紛落下。3 Lighting hit a classroom building and it caught fire. 閃電擊中了一棟教學(xué)樓,并引發(fā)了火災(zāi)。行為動(dòng)詞可分為及物動(dòng)詞和不及物動(dòng)詞。根據(jù)這兩類動(dòng)詞用作謂語(yǔ)時(shí)的不同特點(diǎn),可以將英語(yǔ)句子概括為五種基本句型?!局攸c(diǎn)語(yǔ)法】動(dòng)詞及五種基本句型句子的基本組成部分為:主語(yǔ)(S),動(dòng)詞(V)和賓語(yǔ)(O)。7 The temperature is usually below zero and it is often snowy. 這里的氣溫通常在零度以下,并且經(jīng)常有大雪。3 The days of spring are windy and bright. 春天是風(fēng)和日麗的時(shí)節(jié)。為了使目的意義更加清楚或表示強(qiáng)調(diào)意義時(shí),還可以在前面加in order2 動(dòng)詞+賓語(yǔ)+動(dòng)詞不定式 許多動(dòng)詞后可跟一個(gè)賓語(yǔ)+ to do sth,但有些動(dòng)詞(感官動(dòng)詞和使役動(dòng)詞)后可跟不帶to的不定式構(gòu)成句子,動(dòng)詞help后的不定式可帶to,也可不帶to第七單元:Seasons【重點(diǎn)短語(yǔ)】1 look cool 看起來(lái)很酷2 the rest time to do sth. 做某事的最好時(shí)間3 in summer 在夏天4 go swimming 去游泳5 be full of 充滿……6 forget to grow 忘記了生長(zhǎng)7 fly far away 飛往遠(yuǎn)方8 play among flowers 在花叢中玩9 turn brown 變黃10 rhyme with 與……押韻11 on a hot summer afternoon 在一個(gè)炎熱的夏天下午12 drop below… 下降到……以下13 the lowest temperature 最低溫度14 stay above zero 在零度以上15 a bit 有一點(diǎn)【重點(diǎn)句型】1 I bet you’ll look cool and feel cool with nothing on! 我賭你什么都不穿看起來(lái)會(huì)很酷并感覺(jué)很涼爽。8 I am very interested in learning about different kinds of plants, birds and animals. 我對(duì)研究不同種類的植物,鳥類和動(dòng)物是非常感興趣的。7 Usually it takes hours to watch the birds. You may get thirsty. 通常,觀鳥要花費(fèi)數(shù)小時(shí)。5 We need more people to count and describe the birds. 我們需要更多的人來(lái)計(jì)算鳥和描述鳥類。3 Some people want to make the wetlands smaller in order to have more space for farms and buildings. 一些人想使?jié)竦刈兊酶〉哪康氖菫檗r(nóng)場(chǎng)和建筑物留出更多的空間。動(dòng)詞不定式在句中常作謂語(yǔ)動(dòng)詞的賓語(yǔ),這一類的謂語(yǔ)動(dòng)詞常見(jiàn)的有:agree, choose, decide, forget, hope, learn, like, plan, refuse, remember, seem, want, wish, would like第六單元:Birdwatching【重點(diǎn)短語(yǔ)】1 at the market 在市場(chǎng)上2 provide sth. (for sb.) (為某人)提供某物3 all year round 一年到頭4 in order to 以便,為的是5 lead to 導(dǎo)致6 less and less 越來(lái)越少7 keep finishing 一直釣魚8 as a result 結(jié)果9 the members of … ……的成員10 changes in their numbers 數(shù)目方面的變化11 invite sb. to do sth. 邀請(qǐng)某人做某事12 understand the importance of the wetlands 理解濕地的重要性13 take sth. with sb. 某人隨身攜帶某物14 make sb. do. Sth. 迫使某人做某事