内容正文:
1名词/名词短语
1). Young people should be encouraged to broaden their horizons.
2). Young adults may end up never returning to their studies.
3)This car is very expensive.
4)The computer is a great invention.
2 代词作主语
These are my presents.
It is winter now.
3 动名词作主语
1). Seeing is believing. 眼见为实。
2). Smoking is harmful to people’s health.
3). Working at home allows people to save money.
4 To do形式(又称不定式)
To live in Guangzhou is very interesting.
To chase your dream is what you live for.
5 It作形式主语
It is+形容词/名词+(for sb. / sth.)+to do sth.
例:It’s interesting to play this game.
玩这个游戏很有意思。
It is+形容词+of sb.+to do sth.
例:It’s foolish of him to cheat in the exam.
他在考试中作弊的行为太愚蠢了。
It is+形容词/名词+doing sth.
在这个句型中,常见的形容词和名词有:no/little use、no/much good、useless等。
例:It’s no good talking about others’ faults.
谈论其他人的缺点是不好的。
It is+形容词+that从句
用于这个句型的形容词有possible、important、impossible、necessary、strange、natural、surprising、obvious、true、likely、unusual等。除了true、likely、obvious外,其他的单词后跟随的that从句一般要用虚拟语气,即:should+动词原形,should可以省略。
例:It’s strange that she (should) be so rude to you.
很奇怪,她对你如此无礼。
It is+名词+that从句
在这个句型中,常用的名词有:fact、honor、belief、good thing/news、(no) wonder/no doubt、pity、shame等。
例:It’s an honour that I am invited to speak at the opening ceremony.
很荣幸我被邀请至此次开幕式进行演讲。
It’s+及物动词的过去分词+that从句
It's well-known that the Effiel Towel is in Paris.
众所周知,埃菲尔铁塔位于巴黎。
It+不及物动词+that从句
It seems that there will be heavy rain tomorrow.
看起来明天可能要下大雨。
It is+名词+that从句
在这个句型中,常用的名词有:fact、honor、belief、good thing/news、(no) wonder/no doubt、pity、shame等。
例:It’s an honour that I am invited to speak at the opening ceremony.
很荣幸我被邀请至此次开幕式进行演讲。
It+及物动词+宾语+主语从句
It disappointed us that she failed her math test again.
令我们失望的是她又一次没通过数学考试。
It takes sb. some time to do sth.
“花费某人多长时间做某事”。
It takes him fifteen minutes to walk to school.
他步行上学需要十五分钟。
It’s time (about time/high time) +that从句
这个句型中that后面的从句要用虚拟语气,尤其需要注意的是,该句型常常用过去时态表示虚拟,有时也用should+动词原形,这里的should不能省略。意思是 “(正是)……的时候”。
例:It’s time that children should go to bed.
=It’s ti