Under the sea教案
50 ahead adv (1)（表位置） 前面 go straight ahead till you see the gate of the school.
he is ahead of any other student in our class in this examination .
(2)（表時間）提前，事先 the time is nine hours ahead of london. 這兒的時間比倫敦早9小時。
if you come , please tell me ahead of time.
(3) （表關系）領先our team is ahead by 6 points. 我們隊領先6分。
get ahead of 超越 she soon got ahead of the others in her class because of her hard work.
go ahead with 繼續 go ahead with your work. 繼續干活吧。
go ahead 說吧，用吧，干吧 i wonder if i could use your phone. sure, go ahead. …請用吧。
can i borrow your bike? ---yes,__. a go on b go ahead c go forward d go off
51 i had already heard that george didn’t like being kept waiting …我早已聽說喬治不喜歡等人…
句中like 后用了keep sb dong 的被動式做賓語，即為動名詞的被動式。動名詞的被動式表示動名詞的邏輯主語是動作的承受著。動名詞的被動式分為一般式( being done) 和完成式(having been done )兩種。
he is used to being asked questions in class. (被提問) he came to our party without being asked.
i don’t remember having been given such a book. he prided himself on having never been beaten. 為…而自豪
52 have on “穿著，佩戴，在身上帶有” she had on a red dress and white shoes.
i don’t have that much money on me at the moment.
近義詞辨析： (1) wear 穿著，指狀態，可以用進行時，賓語是衣服、鞋帽、眼鏡、發型等。
she often wears a white coat. he is wearing a shirt. xiao ming is wearing a pair of glasses.
(2) put on 穿戴，穿上（反義詞take off ）; 指穿的動作，用于穿鞋、戴帽、穿衣等。
he put on his hat rapidly and went out .
(3) have on 穿著，指狀態，沒有進行時，賓語是代詞時，必須放在該詞組中間。
(4) dress vt 給（某人） 穿衣，賓語一般是人，不接衣服類的詞語作賓語，“衣服” 類的詞要用在介詞的后面。
the mother is dressing her baby. he is old enough to dress himself. she dressed the girl in a new blouse.
(5) be (dressed) in 之后經常接顏色或服裝式樣之類的名詞。she is (dressed) in a red shirt.
he often __ a suit of jeans to school. a puts on b wears c dress d has
53 head out into 相當于head for /to/towards 或 make (a dive) for “前往，向…進發”
they are heading for new york. we headed for/towards /to/ out into the field.
he made a dive for the rejected suits.
54 lead to (1) 通向 all roads lead to rome. the path leading to the top of the mountain is covered with snow.