单元语法聚焦六,单元语法聚焦六,语法点击,连词sothat，unless与as soon as的用法 1sothat 引导结果状语从句，其中so是副词，常常用来修饰形容词或副词，意为“如此以至于”；当that后面接否定句时，可以与“tooto(太而不能)”结构互换。 常用句型： (1)主语谓语so adj./adv. that从句。如： He was so angry that he couldnt say a word. He was too angry to say a word. 他太生气了以至于说不出话来。,单元语法聚焦六,(2)主语谓语soadj.a(n)单数可数名词that从句。如： It was so good an exhibition that I went to see it several times. 展览很好，我去看了几次。 It was so fine a day yesterday that we all went out for a picnic. 昨天天气很好，我们都出去野餐了。 2unless unless意为“如果不；除非”，引导条件状语从句，相当于if条件状语从句的否定形式，即unless ifnot。,单元语法聚焦六,(1)unless和if 引导的条件状语从句，同其他时间状语从句一样，用一般现在时代替一般将来时，即遵循“主将从现”原则。 (2)“祈使句(肯定形式)or 陈述句”与“unless条件句主句”有时可以相互转换。如： Put on your raincoat or youll get wet. Unless you put on your raincoat, youll get wet. If you dont put on your raincoat, youll get wet. 把雨衣穿上，否则你会被淋湿。,单元语法聚焦六,3as soon as as soon as意为“一就”，其中的从句通常用一般现在时表示将来。可以用于口语和书面语中。它在句子中的位置比较灵活，而且可以用于各种时态。如： Ill call you as soon as I get there. 我一到那儿就给你打电话。(一般现在时) As soon as I went in, Tom cried out with pleasure. 我一进去，汤姆就高兴地叫了起来。(一般过去时),单元语法聚焦六,实战演练,( )1.2015龙东I wont get good grades _ I study hard. Thats _ everyone is trying his best to prepare for the exam. Auntil; why Bunless; when Cunless; why,解析 C,单元语法聚焦六,( )2.You will achieve nothing _ you work hard. A. if B. unless C. when D. that,解析 B 考查连词的用法。根据“You will achieve nothing”和“you work hard”可知二者是表示条件的假设关系，故选B，意为“除非”，与ifnot同义。,单元语法聚焦六,( )3. Teresa is _ nervous _ she cant talk in front of the class. A. such; that B. too; to C. so; that D. to; too,解析 C 考查连词的用法。suchthat和 sothat引导结果状语从句，such后接名词，so后接形容词或副词；在“tooto”结构中， too后接形容词或副词， to后接动词原形。句意：特雷莎如此紧张，以至于不敢在同学面前讲话。故选C。,单元语法聚焦六,( )4.Dont forget to call me. OK，I wont.I will let you know_I arrive in Beijing. A. though B. as soon as C. unless Dbecause,答案 B,单元语法聚焦六,.根据汉语意思及英语提示翻译句子 1. 他太害羞了，不敢在公共场合做演讲。(tooto) _._ 2. 我一收到你的来信就会给你打电话。(as soon as) _._,He is too shy to give/make a speech in public,I will ring/call you up as soon as I hear from you,单元语法聚焦六,3. 天山是如此的美丽，以至于每年都能吸引大量的游客。(sothat) _._ 4.他的病情会加重，除非他立即戒烟。(unless)(unless) _._,Tianshan is so beautiful that it attracts large numbers of visitors/tourists/travellers every year,Smoking will make his illness worse unless he gives up smoking at once,