英語語法從句講解(編輯修改稿)
2024-08-20 14:11 本頁面
【文章內(nèi)容簡介】 arded a gold medal, which the whole family considered a great honor.As had been expected, he finished first in decathlon(十項全能) at that Olympic Games.4. 關(guān)系代詞在定語從句中有時也做介詞的賓語。如果介詞被置于關(guān)系代詞前, 一般只用介詞+which或介詞+whom, 而不用介詞+that來此導(dǎo)定語從句。如果介詞被置于從句句末, 則可用that代替which或whom,且that這時可省去。This is the ring on which she spent 1,000 dollars.One of my colleagues whom (that) you are familiar with will e today.三、狀語從句在復(fù)合句中, 起狀語作用的從句稱作狀語從句。 根據(jù)語義, 狀語從句分為: 時間狀語從句、地點狀語從句、條件狀誤從句、原因狀語從句、 讓步狀語從句、比較狀語從句、目的狀語從句、結(jié)果狀語從句、 方式狀語從句。狀語從句可放在句首或句末。如狀語從句位于主語前,一般用逗號將其與主句隔開。(一)時間狀語從句When you cross a main road, you must be very careful.Until we learn the facts, we can39。t do anything about it.[提示]1. when, as, while引導(dǎo)時間狀語從句時都可以表示主句的動作與從句的動作同時發(fā)生, 即同時性。它們的區(qū)別在于: when和as引導(dǎo)的狀語從句中的動作既可以是延續(xù)性的, 也可以是非延續(xù)性的, 即瞬時性的。while引導(dǎo)的狀語從句中的動作只能是延續(xù)的動作或狀態(tài)。當(dāng)主句和從句中的動作均為延續(xù)動作時, 一般用while, 而不用when或as。當(dāng)表示兩個同時發(fā)展、變化的情況時, 一般用as, 作“隨著…”解。When she es, I shall tell her to wait for you.As she got older, she got wiser.While Peter was reading, his wife was cooking.2. 有些副詞和一些表示時間的名詞詞組也可用作從屬連詞,引導(dǎo)時間狀語從句。如instantly, immediately, directly, the day, every time, the minute, the second, the moment等。Immediately he arrived, he started describing us what had happened.The day he returned home, his grandpa was alrady dead.(二)條件狀語從句引導(dǎo)條件狀語從句的從屬連詞有: if, unless, as (so) long as, only if(只要)。If you don39。t e on time, we39。ll start out without you.As (so) long as you keep on trying, you39。ll certainly succeed.[提示]除了以上提到的從屬連詞外, 還有其它的一些詞或詞組也可引導(dǎo)條件狀語從句。如: providing that, provided, sup
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