牛津英語七年級下冊 unit2教案
4. we do not have to go far if we want help with our homework!
如果我們做家庭作業(yè)時需要幫助，我們就不必走遠。
have to“只好，不得不”
you have to stay here.你得留在這兒。
we have to clean the desk before leaving.離開之前我們得把桌子弄干凈。
she has to do a lot of work .她得做很多工作。
do you have to look after your sister?你得照看妹妹嗎？
5. you can shop until ten o’clock at night in star shopping mall.
你可以在明星購物商場購物到晚上十點鐘。
until=till連詞，基本用法相同。until通常用于句首；till多用于口語�！爸钡健瓡r（為止）”。例如： wait until the rain stops.等到雨停了再說吧。
don’t leave till i arrive.我不來你不要離開。（我來了你才能離開。）
he didn't come till(until)ten o’clock.他直到十點鐘才來。
i won’t stop shouting until you let me go.你不放我走，我就一直喊叫。
until還可以作介詞，“直到（某一時刻）；直到（發(fā)生某事）”。
例如： nothing happened until 5 o’clock.五點鐘以前沒有出現(xiàn)任何跡象。（until=before）
the street is full of traffic from morning till night.這條街從早到晚行人車輛很多。
the secret was never told until after the old man’s death.
這個秘密在老人去世后才說出來。
don’t open it till your birthday.等到你過生日那天再打開。
she was a bank clerk until the war, when she trained as a nurse.
她戰(zhàn)前是個銀行職員，戰(zhàn)時受訓當了護士。
6. less …than …比…更少
little less least
there is less water in this bottle than in that bottle.
there is less rain this year than last year.
more…than …比…更多
many/much more most
there are more students in class one than in class two.
there are more comics in my bag than in your bag.
step 3. feedback (8 min)
exercises:
1. 從我家到學校乘地鐵要二十多分鐘。
it _____ over twenty minutes _____ _____ to the school from my home by underground.
2. 他朋友每天做作業(yè)直到十點。
his friend _____ _____ homework until 10:00 every day.
3. 他們相互很親近。
they are _____ _____ each other.
4. 市中心有多少大賣場？
_____ _____ shopping malls are there in the center of the city?
5. 睡覺前我得讀英語。
i _____ _____ read english before going to bed.
6. they have no time to chat with friends.（改為同義句）