二． ，S+V+O
作狀語4種形式
1． When, since, because, if, though, before引導狀語從句
Though (you are ) young, you can understand it.
沒有主句就沒有從句的生命力
狀語從句的省略原則：狀語從句與主句主語是一致的，并且狀語從句包
括謂語動詞be(am, is, are或其他時態(tài)形式)
We, because we are late, are punished.
2. To do 不定式放在句首
For me to learn English well, my mother went to the lecture. ----加for
sb.邏輯主語構成復合結構
3．Doing/done, S+V+O doing---主語發(fā)出動作；done----主語承受動作
Singing and dancing, the children went back home
Judged guilty, Tyson was sentenced to prison several years ago.
Doing/done同主句的謂語動作發(fā)生動作如果有一段距離，用Having done/Having been done
Having done = doing的完成形式
Having been done = done的完成形式
4. 介賓短語-----有時移到主謂之間
In Wuhan, we met with each other.
三．S， ，+V+O
空格處5種形式, 后四種是第一種的省略形式
1． Whose, who, when, which, in which引導的定語從句----沒有that引導從句
Tom, (who is) my neighbor
2. 冠詞/形容詞性物主代詞+名詞構成同位語
Dalian, (which is) my hometown, is very beautiful.
3. Done/doing
4. 形容詞
Panda, (which is) native to China
5. the first+名詞+to do
Panduo, (who is )the first lady to get to the top of Himalaya, is a
Tibetan.
其中2.3.4種經(jīng)常提到句子前面，不加逗號
四． S+V+O，
空格處有三種形式
1． When, if, since, though, which, who, whose, where, in which等引導的狀語從句或定語從句
2． 冠詞/形容詞性物主代詞+名詞
We live in Dalian, a beautiful city.
3. doing/done 作狀語
當把四個句型拼合起來后，你一個句子就是一段。
