英文作文大全

　　1. 用作狀語(yǔ)的介詞短語(yǔ)　　There will have been a definite result before Friday. 星期五以前將肯定會(huì)有結(jié)果?！　y next Christmas well have been here for eight years. 到下一個(gè)圣誕節(jié)，我們?cè)谶@兒就住了整8年了。　　By now you will have guessed that Im back in Ireland. 你現(xiàn)在應(yīng)該已經(jīng)猜出我回到了愛(ài)爾蘭了?！　y

　　1）because語(yǔ)勢(shì)最強(qiáng)，用來(lái)說(shuō)明人所不知的原因，回答why提出的問(wèn)題。當(dāng)原因是顯而易見的或已為人們所知，就用as或 since。　　I didnt go, because I was afraid.　　Since /As the weather is so bad, we have to delay our journey.　　2）由because引導(dǎo)的從句如果放在句末，且前面有逗 號(hào)，則可以用for來(lái)代替。但如果不是說(shuō)明直接原因，而是多種情況加以推斷，就只能用for

　　㈠ 分詞或分詞短語(yǔ)作狀語(yǔ)時(shí)，可以表示　　時(shí)間、原因、條件、讓步（可轉(zhuǎn)換成相應(yīng)的狀語(yǔ)從句）　?、?Put into use in April 2000, the hotline was meant for residents reporting water and heating supply breakdowns.　　Put into use in April 2000 == When it was put into use in April 2000（時(shí)間狀語(yǔ)）　?、?

　　一、用to do sth表目的　　用不定式表目的是最簡(jiǎn)單也是最常用的方法，它既可以用于句末，也可用于句首，但比較而言，用于句首時(shí)，其強(qiáng)調(diào)意味較濃。如：　　After missing a term through illness he had to work hard to catch up with the others. 他因病一學(xué)期未上課，得努力趕上其他同學(xué)?！　o avoid any delay please phone your order direct. 為免

　　一、重點(diǎn)知識(shí)歸納及講解　　(一)從屬連詞　　從屬連詞是引導(dǎo)狀語(yǔ)從句，賓語(yǔ)從句及其他從句的連詞?！　?.引導(dǎo)狀語(yǔ)從句的從屬連詞有：　　1)when, while, before, after, as soon as, until, since等，引導(dǎo)時(shí)間狀語(yǔ)從句。　　2)because, as, since等引導(dǎo)原因狀語(yǔ)從句。　　3)if, as long as等引導(dǎo)條件狀語(yǔ)從句。　　4)though, although引導(dǎo)讓步狀語(yǔ)從句?！　?)so…that

　　引導(dǎo)條件狀語(yǔ)從句的從屬連詞　　主要的有if, unless, as [so] long as等：　　You can leave now if you like. 如果你愿意現(xiàn)在就可以走了?！　s long as it doesnt rain we can go. 只要不下雨，我們就可以去。　　【注】除以上基本的引導(dǎo)條件狀語(yǔ)從句的從屬連詞外，還有的動(dòng)詞尤其是其分詞形式(如suppose, supposing, provided, providing等)和介詞短語(yǔ)(如in

　　例句：　　When they heard the news, they immediately set off for Shanghai.　　=Hearing the news, they immediately set off for Shanghai.　　在含有狀語(yǔ)從句的主從復(fù)句中，可將狀從轉(zhuǎn)化為分詞的形式，具體步驟如下：　　步驟一：去掉連詞，但除特別強(qiáng)調(diào)外不可去或表讓步轉(zhuǎn)折如 unless, though, although 等不 可去。（注意：before, af

　　類型一：說(shuō)明性狀語(yǔ)　　形容詞的主要功能是用作定語(yǔ)和表語(yǔ)，但有時(shí)也可用作狀語(yǔ)（有人也稱之為主語(yǔ)補(bǔ)足語(yǔ)，因?yàn)樗鼈兪茄a(bǔ)充說(shuō)明主語(yǔ)的）。如：　　He lay in bed, awake. 他躺在床上，沒(méi)有睡著。（表伴隨）　　He arrived home, hungry and tired. 他回到家里，又餓又累。（表結(jié)果）　　Unable to afford the time, I had to give up the plan. 由于抽不出時(shí)間，我不得不放棄這個(gè)計(jì)劃。（表原因

　　1. 表示時(shí)間、條件、方式、讓步或伴隨情況，通常用現(xiàn)在分詞或過(guò)去分詞；若句子主語(yǔ)與非謂語(yǔ)動(dòng)詞是主動(dòng)關(guān)系，用現(xiàn)在分詞；若句子主語(yǔ)與非謂語(yǔ)動(dòng)詞是被動(dòng)關(guān)系，用過(guò)去分詞或現(xiàn)在分詞分詞的被動(dòng)式。如：　　Seeing the cat, the mouse ran off. 見到貓，老鼠就跑了。　　He sat in the chair reading newspapers. 他坐在椅子上看報(bào)?！　iven more time, we could have done it bette