Unit 13 The Water Planet教案
possibility certainty
ability permission
request suggestions
necessity advice
iv. more situations given to practice using modal verbs.
situation one:
as many as 7 billion people throughout the world could face a water shortage by 2050 if the present situation continues. by then, the global population is expected to reach 9.3 billion. many big cities, including beijing, shanghai and tianjin, will suffer severe water shortages.
1) if it is true, what may happen in the future?
2) what can our country do with this problem?
3) what should we do in our daily life?
situation two:
three gorges project is the largest water conservancy project ever built in the water. it is said that the whole project will be completed in the year as planned. so try to discuss the following questions:
1) if the project is completed in the year , what advantages will it bring to us?
2) if the project is completed in the year , what problems may it cause? how can we deal with these problems? what should we do to solve these problems?
v. consolidation
fill in the blanks with the proper modal verbs.
will would can could must should may might
dear john,
thank you for your letter. i don’t think i ________ give you any advice. i don’t think the manager ______ trust you. it sounds as if he has decided that you ______ be the thief. do you have to continue working at this company? maybe you ______ find another job where the people are more friendly. i think that you ________ enjoy that more.
if you stay at the meat factory, you __________ not be able to be happy. besides, if you stay, the thief _______ do something bad to you. i don’t think that _______ be very pleasant. if he played a bad trick on you, the manage __________ say you were the thief and call in the police. that _________ have serious results. i think the best thing you _________ do now is to look for another job and hope that it __________ turn out better.
yours,
mary
2. finish all the grammar exercises on sb & wb.
part two: word study
i. the letters of the following words have been mixed up. try to put the letters in the correct order. (p.21-ex.1)
vi. complete the following sentences with the proper forms of the following phrases.
1. temperature here__________10°c to 30°c.