内容正文:
UNIT-7 Art
Lesson-1 Masterpieces导学案
1. 本课生词、词组
2. 本课语法——名词性从句(主语从句、宾语从句、表语从句)
一、主语从句的用法
在句中起主语作用的从句称为主语从句。引导主语从句的连接词主要有三类:从属连词that, whether, if;连接代词what, who, whose, whatever, whichever, whoever等;连接副词when, where, why, how。
1. that引导的主语从句
that为从属连词,引导主语从句时,常用it作形式主语,此时that不充当任何成分,无词义,只起引导作用,一般不省略,表示确定的陈述,位于从句句首。
That he will succeed is certain.=It is certain that he will succeed.
常用it作形式主语的句型有:
(1)It+be+形容词(possible/likely/obvious/necessary/important/natural/wonderful/surprising,etc)+that从句
It’s natural that a student feel stressed before an exam. (That a student feel stressed before an exam is natural.)
(2)It+be+过去分词(said/reported/thought/expected/decided/announced/arranged,etc)+that从句
It’s said that the concert will be put off. (The concert is said to be put off)
(3)It+seem/happen/turn out/occur to/matter等不及物动词及其短语+that从句
It seems that he has set out early. (He seems to have set out early.)
It happened that I was on the spot. (碰巧的是我正好在现场。)
It occurred (to me) that I could turned to t