新人版英語(yǔ)八年級(jí)(下冊(cè))Unit6-語(yǔ)法課件(unless-as-soon-as-sothat

1、Unit6 語(yǔ)法專項(xiàng)課件 （unless, as soon as, sothat的用法,初中英語(yǔ)人教版八年級(jí)下冊(cè),unless的常見用法,unless引導(dǎo)條件狀語(yǔ)從句，意為“除非，如果不”。unless = if not,Youll fail in English unless you work hard. Well miss the bus unless we walk more quickly,as soon as的常見用法,as soon as引導(dǎo)時(shí)間狀語(yǔ)從句，意為“一就”。引導(dǎo)時(shí)間狀語(yǔ)的連詞包括when, while, until, till, before, after等,As so

2、on as I have finished, Ill give you a call. Ill write to you as soon as I get to Beijing,sothat的常見用法,1. so形容詞或副詞that .引導(dǎo)肯定的結(jié)果狀語(yǔ)從句，意思是“如此以致于,2. so形容詞或副詞that .引導(dǎo)否定的結(jié)果狀語(yǔ)從句，意思是“如此以致于不能,The sunshine is so nice that I want to go swimming,sothat,The camera is so expensive that I cant afford it,易錯(cuò)點(diǎn)1,在時(shí)間狀語(yǔ)從句

3、和條件狀語(yǔ)從句中，應(yīng)該使用一般現(xiàn)在時(shí)代替一般將來(lái)時(shí)，簡(jiǎn)稱“主將從現(xiàn)”原則,unless/as soon as引導(dǎo)狀語(yǔ)從句的“主將從現(xiàn)”原則,主祈從現(xiàn),主情從現(xiàn),易錯(cuò)點(diǎn)1,Well be late unless we speed up. Ill return the book as soon as I finish it,主將從現(xiàn),從現(xiàn),易錯(cuò)點(diǎn)1,Please call me as soon as you get there,主祈從現(xiàn),從現(xiàn),易錯(cuò)點(diǎn)1,主情從現(xiàn),You cant pass the exam unless you study hard,主情,易錯(cuò)點(diǎn)2,一般情況下，unless相當(dāng)于

4、ifnot，可以互換，遵循“主將從現(xiàn)”原則,I wont let you in unless you show me your pass,unless與ifnot,I wont let you in if you dont show me your pass,易錯(cuò)點(diǎn)3,結(jié)構(gòu)不一樣,so that/sothat的區(qū)別,so that后跟句子（目的狀語(yǔ)從句/結(jié)果狀語(yǔ)從句） sothat的結(jié)構(gòu)為： so形容詞或副詞that從句,易錯(cuò)點(diǎn)3,so that引導(dǎo)結(jié)果狀語(yǔ)從句（因此、所以）或目的狀語(yǔ)從句（以便、為了）。 sothat只可以引導(dǎo)結(jié)果狀語(yǔ)從句（如此以致于,表達(dá)含義不一樣,易錯(cuò)點(diǎn)3,The spe

5、aker speaks loudly so that all of us can hear him. Maria likes this dress so that she decides to buy it at once,The boy ran so fast that I couldnt catch him,目的狀語(yǔ)從句,結(jié)果狀語(yǔ)從句,結(jié)果狀語(yǔ)從句,典例1】_ youve tasted them, you cant imagine how delicious the dishes are. A. Because B. Although C. When D. Unless,考查連接詞。句意：

6、如果你不嘗一嘗，你就想象不到這些菜有多美味！because因?yàn)椋琣lthough盡管，when當(dāng)時(shí)候，unless如果不，根據(jù)題意只能選unless,典例2】 As soon as he returns to hometown, he _ his grandparents. A. visit B. visits C. will visit D. visited,考查連接詞as soon as的用法。句意：他一回到家鄉(xiāng)，就去看望他爺爺奶奶了。as soon as引導(dǎo)的從句“主將從現(xiàn)”，主句選一般將來(lái)時(shí)will visit,典例3】David was _ careless _ he didnt find the mistakes in his test paper. A. too; to B. so; that C.