外研版七年級英語下冊《Language in use》Shopping PPT教學課件,共57頁。
Warming up
Have you ever sung an English song for your classmates?
Have you ever talked with a foreigner in English?
Have you ever been a member of a drama club?
Grammar
狀語從句
使用狀語從句有兩點要注意:一是狀語從句中連詞的選用,二是條件狀語從句中的時態。
1.狀語從句中連詞的選用。
狀語從句中連詞的選用是由句子所表達的邏輯意義決定的。只要知道各種連詞的意思和功能就能正確使用。
常用的有:
(1) 時間狀語從句連詞:when, while, as, before, after, until, as soon as 等。
例如:My father took the photos when we lived in Hong Kong.
You’re not going out until you’ve finished this.
(2)地點狀語從句連詞:where
例如:We must camp where we can get water.
(3)條件狀語從句連詞:if
例如:If he leaves the vegetables with the goat, the goat will eat them.
(4)比較狀語從句連詞:than, as
例如:The cost of the repairs was a lot of cheaper than I thought.
(5)目的狀語從句連詞:so that, in order that
例如:I’ve brought some photos so that you can see what Britain looks like.
(6)原因狀語從句連詞:because, since, as
例如:Mark could not come because he had to work.
(7)結果狀語從句連詞:so … that …
例如:He got up so late that he missed the first train.
(8)讓步狀語從句連詞:although, though
例如:Although the car is old, it still runs well.
2.條件狀語從句中的時態
在條件狀語從句中,如果主句的時態是一般將來時,從句一般用一般現在時。
例如:If it rains tomorrow, we will play inside.
不定式
1.作動詞賓語
放在謂語動詞之后的不定式作謂語動詞的賓語。
如: want to do sth., agree to do sth., decide to do sth. 等結構。
例如:I decided to join some student clubs and take part in as many activities as I could.
2.作賓語補足語
不定式作賓語補足語是指v.+名詞/代詞+(to) do sth.結構中的不定式。變否定時只需在不定式前加not,其中的to在某些動詞后面需省略。
3.作目的狀語
不定式還可以作目的狀語。不定式作目的狀語時,可以放在句末和句首。
例如:He got up at five o’clock to catch the early bus.
To watch baseball, you need to go to the Yankee Stadium.
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