初中英語時(shí)間狀語從句注意幾點(diǎn)

1、初中英語時(shí)間狀語從句注意幾點(diǎn)第1頁，共5頁，2022年，5月20日，13點(diǎn)9分，星期一When/while/before/after/until/as soon as+一個(gè)完整的句子構(gòu)成“時(shí)間狀語從句”注意幾點(diǎn)：一、 when/while 的區(qū)別1.when表示主從句兩個(gè)動(dòng)作同時(shí)發(fā)生或先后發(fā)生。而while表示主從句兩個(gè)動(dòng)作同時(shí)發(fā)生或強(qiáng)調(diào)主句的動(dòng)作在從句動(dòng)作進(jìn)行期間發(fā)生。(1)_ they are waiting for the New Year, they listen to music , sing songs and dance.(2)_ the boy saw his mother,

2、he stopped crying.WhileWhen第2頁，共5頁，2022年，5月20日，13點(diǎn)9分，星期一2. when+短暫性動(dòng)詞或延續(xù)性動(dòng)詞 while+延續(xù)性動(dòng)詞(1)He was doing his homework _ I saw him.(2)_she was singing, we all lost ourselves in her beautiful voice.(3)She was cooking _ someone knocked at the door.3.進(jìn)行時(shí)+while+進(jìn)行時(shí)She was dancing _ I was singingwhenWhen/wh

3、ilewhenwhile第3頁，共5頁，2022年，5月20日，13點(diǎn)9分，星期一二 until “直到” notuntil直到。才。He waited until it was 12 oclock.He didnt go home until it was 12 oclock.三、時(shí)態(tài)1 當(dāng)主句是一般將來時(shí)或祈使句時(shí)，從句就用一般現(xiàn)在時(shí)。（與if條件句一樣，主將從現(xiàn)）(1)I _(tell) him when he_ (come) back tonight.(2)Please call me as soon as you _(get) there tomorrow.will tellcome

4、sget第4頁，共5頁，2022年，5月20日，13點(diǎn)9分，星期一2.when/while主從句兩個(gè)動(dòng)作一長(zhǎng)一短，長(zhǎng)的動(dòng)作用過去進(jìn)行時(shí)，短的動(dòng)作用一般過去時(shí)。兩個(gè)動(dòng)作分不清長(zhǎng)短或先后，一般前后都用進(jìn)行時(shí)，且用while連接。(1)When she _(get) home last night,her son _(do) his homework.(2)When the bell _(ring), he _(sleep).(3)My father was reading a book _ my mother was cooking.3.before/after主從句兩個(gè)動(dòng)作都已經(jīng)完成了，先完成了的動(dòng)作用過去的完成時(shí)（had+過去分詞）。后完成的動(dòng)作用一般過去時(shí)。(1)I _(finish) my homework before my mother _(get) home last night.(2)The last bus _(leave) after we _(get) to the bus stop.gotwas doingrang