人教版七年級英語上冊《How much are these socks?》SectionB PPT課件(第1課時),共15頁。
Warming up
Guess game.
A:Is it ... dollars?
B:Are they ... dollars?
Language points
1.基數詞
(1)定義:表示數量的詞叫基數詞。
(2)基數詞的表達。
①0-12的基數詞在拼寫時特別注意,分別記憶。
②13-19表示“十幾”的詞,要在個位后加-teen,單詞有兩個重音直接加-teen。
如:14—fourteen,16—sixteen,17—seventeen,19—nineteen
要個別記憶的有:13—thirteen,15—fifteen,18—eighteen。
③20-90整十的基數詞要在末尾數后加-ty,但有些應注意其拼寫。
如:20—twenty,30—thirty,40—forty,50—fifty,60—sixty,70—seventy,80—eighty,90—ninety。
④從21-99“幾十幾”的詞,中間用連字符把個位數和十位數連起來。
如:21—twenty-one,25—twenty-five,89—eighty-nine。
⑤百位或百位以上的詞,通常在百位和個位之間用連字符。
如:156—one hundred and fifty-six。
(3)基數詞一般和可數名詞連用,表示兩個或兩個以上事物的名詞用復數形式。
2.容易混淆的拼法
four(4)—fourteen(14)—forty(40)
five(5)—fifteen(15)—fifty(50)
eight(8)—eighteen(18)—eighty(80)
twelve(12)—twenty(20)
Exercise
一、單項選擇。
1.—Can I help you? —_______.I want a hat.
A.You're welcome B.Yes,you can
C.Yes,please D.No,yo can't
2.—What's 35 in English? —It's _______.
A.thirty-five B.thirty and five C.thirty five D.thirteen-five
3.你決定買毛衣時,你對營業員說:_______
A.How much is it? B.I'll take it.
C.I want a sweater. D.Here you are.
4.My T-shirt _______ white and my shorts _______ yellow.
A.is;is B.are;are C.are;is D.is;are
5.My jacket is _______,I want a long one.
A.small B.short C.big D.long
二、句型轉換。
1.The white pants are 88 yuan.(對畫線部分提問).
_________ _________ are the white pants?
2.This sweater is ¥60.(改為復數句).
_________ _________ _________ ¥60.
3.Lisa's shoes are yellow.(對畫線部分提問).
_________ _________ are Lisa's shoes?
4.She wants a black bag.(改為一般疑問句).
_________ she _________ a black bag?
Homework
1.Recite the numbers from 1 to 31.
2.Practice the conversations in 1d and 1e.
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