Unit 1　Festivals around the world (Period 3　Learning about language: Grammar)

租賃者要保持房屋整潔有序。
the supplier shall make shipment before october and the purchaser shall make payment within 15 days after receipt of the goods.
賣方十月以前裝運, 買方在收到貨物后十五天內付款。
5. should
1)表示出于職責、義務該做某事
you shouldn’t come to such a decision hastily.
你不應該匆匆忙忙地作出這么一個決定。
we should read english aloud every morning.
我們應該每天早晨朗讀英文。
2)表示對某種情況的估計
she shouldn’t be out in such an early morning.
她不會這么一大早就出去了吧。
this book should be published in two months at most.
這本書最多兩個月后就會出版的。
3)用于某些從句中表示虛擬語氣
the doctor insisted that the girl should be hospitalized.
大夫堅持認為那個女孩要住院治療。
if it had not been for the doctor’s care, the girl should not be speaking to you now.
要不是由于大夫的精心照料, 這個女孩現在就不能與你說話了。
6. will/would
1)用于第二人稱的疑問句, 表示請求（would更客氣、委婉）
will you tell her that i’ll be back in twenty minutes?
請告訴她我二十分鐘后回來, 好嗎？
would you tell me how to get to the shopping center?
您能告訴我怎么去購物中心嗎？
2)表示愿望
go where you will. 去你想去的地方吧。
he wouldn’t let the doctor take his blood pressure.
他不愿意讓大夫給他量血壓。
3)表示習慣、傾向
sometimes the cat will lie there all afternoon.
有時候, 那只貓總是整個下午都躺在那兒。
he would sit there for hours, doing nothing at all.
他總是在那兒一坐就是幾個小時, 什么都不干。
4）表示決心
we will never talk about that subject again.
我們決不會再談論這個話題了。
he said he would make this computer work even if he had to stay up all night.
他說他即使整晚不睡覺也一定要讓這臺計算機工作起來。
→step 4 grammar practice
1. turn to page 5. ask students to do exercise 2 in discovering useful structures. first let them discuss in pairs how each of these modal verbs is being used in the situations. then check the answers with the whole class. give some explanations if necessary.
2. turn to page 43. ask students to do exercise 1 and exercise 2. check the answers after most of them finish.
→step 5 dialogues
show the following on the screen.
working in pairs, complete the dialogues using modal verbs and then be ready to present your dialogues to the class.
1. a: ______________ you like to go to a special event with us on sunday?
b: yes, i __________________________.
2. a: ______________ xiao feng find the origin of easter from that book?
b: no, he  __________________________.
3. a: _______________ i go with my friends to the harvest festival?
b: yes, you  __________________________.
4. a: if i want to be a doctor _____________ i study science?