高中英語語法教案名詞
他為什么缺度?因為他病得很重。 as, since用于表示理由是已知,而理由以外才是敘述的重點,兩者皆多用于句首,但要注意since重形式,as多表示理由以外的才是重點。 例如: as it is raining, let's stay as home. 因為下雨,我們就留在家里吧。 since you have no license, you are not allowed to drive. 因為你沒有駕駛執照,所以你不可以開車。 for不用于句首,而用于主句之后,補充說明理由;主句表推測時,用for說明原因。 例如: i'll follow his advice, for he is a doctor. 我會聽從他的勸告,因為他是醫生。 b)because of也是表示原因狀語,但后面只能跟短語。 例如: i stayed at home because of the bad weather. 因為天氣不好我留在家里。 3)比較狀語從句 比較狀語從句由than或as來引導。 例如: i feel better now than (i was) before. 我現在覺得比以前好了。 he writes as well as you (do). 他寫得和你一樣好。 this problem is more difficult than that one (is). 這道題比那道題難。 4)條件狀語從句 條件狀語從句由if, unless(= if not)算連詞引導。條件從句中的動詞多用一般現在時表示將來。 例如: i shall go if he asks me. 如果他請我,我就去。 i shan't go unless he asks me. 除非他請我,否則我是不去的。 i shall go, whether he asks me or not. 不管他請不請我,我都要去。come with me if you have time. 如果你有時間請跟我來。 i want to watch a basketball match if i'm well tonight. 如果今晚我好了的話,我要看一場籃球賽。 由and連接的簡單句,可以用條件狀語從句來改寫。 例如: run faster and you'll catch up with him. 跑快點兒你就會趕上他。 =if you run faster, you'll catch up with him. 如果你跑得快點,你就會趕上他。 5)結果狀語從句 結果狀語從句由so that, so… that引導。 例如: he has lost his bike so that he can't come to school on time.(結果狀語) 他去了自行車,所以不能準時到校。 your shirt were so dirty that you must wash it.(結果狀語) 你的襯衣這么臟,你應該把它洗洗。 注意: 由so…that引導的狀語從句若是表示否定意思,可以用too…to(太…而不能)來替換。 例如: she was so angry that she could not say a word. =she was too angry to say a word. 她氣得說不出話來。 6)讓步狀語從句 讓步狀語從句一般用though(雖然)、although(雖然)、even though(即使)引導。 例如: though/although he tried hard, he was not successful. 他雖然努力嘗試,但沒有成功。 he went on working though it was very late. 雖然很晚了,他還在繼續工作。 注意: 1.漢語中的“雖然…但是…”在英語中用連詞though就可以了,或單獨使用but連接兩個并列句也可以,但不能在一個句子中同時用這兩個連詞(主句前不用連詞)。 例如: “雖然我很喜歡照顧我姐姐的嬰兒,但她不讓我干”。這個句子我們可以用下面兩種方法來表達。 though i like looking after my sister's baby, she doesn't let me do it.