必修1&2必修2Unit 3 Computers课堂教学ppt课件

这是一份必修1&2必修2Unit 3 Computers课堂教学ppt课件，共15页。PPT课件主要包含了glacier，delta，plain，rapids，waterfall，valley，Grammar，现在进行时用法归纳 ，附高考题等内容，欢迎下载使用。

I really enjyed my schl field trip in gegraphy. We saw s many beautiful things: a _______ that flwed like a river f ice thrugh a __________ that cut the muntains int parts. We als discvered a river which fell ff the muntain and became a wnderful_________. This was even mre exciting t see than the _______ where the water seemed t bil. Later we fllwed the river t a quieter _________and finally int a _______and the sea.
Answer key fr Ex. 3 n Page 20
The Present Cntinuus Tense fr Future Actins
Betty is leaving fr Guangzhu by plane tmrrw.Bb is ging t the airprt by taxi next week.
Grammar--I (5m)
Students find the rules by bserving the fllwing sentences:
3) Jane is staying in Xi’an with her parents.4) Bb is cming with Betty t see her ff.小结： 此四句是现在进行时代替将来时，表示一个最近按计划或安排打算要进行的动作，这类动词通常是瞬间动作，只限于少数动词，常见的有：g, cme, leave, sleep, stay, play, d, have, take, get t, see ff, etc.
1）Hw are yu feeling tday?2）He is always helping thers.3）Yu are always leaving things abut(乱放).4）He is always talking big(吹牛).
此四句是现在进行时代替一般现在时，表示一个经常性重复的动作或状态，这时句中常带always 或frever,以表示说话人的某种表情，如赞叹，厌烦，埋怨，等或强调情况的暂时性使其生动。
The Present Cntinuus Tense fr the present actins：
The plane takes ff at 9:30.My plane leaves at 7:00.When des the winter hliday begin?What time des the train leave fr Shanghai? 此四句表示将来的事情已经“列入日程” 或按计划将要发生，则用一般现在时代替将来时，但仅限于少数动词begin, g, leave, start, take 等。
(1)表示现在的动作：表示说话的时刻正在进行的动作，常与时间状语nw, at the mment等连用。表示现在阶段正在进行的动作，而不一定是说话时正在进行的动作，常与tday, this week, this term等连用。
Grammar--II (10m)
I’m sitting n a rck near the river with my friends.我和我的朋友们正坐在河边的一块岩石上。Right nw it is the summer vacatin and I’m helping my dad n the farm.现在是暑假，我在农场帮我爸爸干活。(2)表示反复性或习惯性的动作，常与副词always, cntinually(频繁地)等连用，表示说话人的赞扬，厌恶，不满，遗憾等的感情色彩。She’s always changing her mind. 她老是改变主意。（厌烦）
(3)表示不久之后肯定将发生，或按计划或安排将要做的事（常与未来的时间状语连用），能这样用的动词多是表示“位移”“停留”的，如cme, g , leave, arrive, start, begin等。Mther is taking us hme t see my grandma n Sunday. 星期天母亲将带我们回老家看我祖母。
He will write yu a letter next week.他下个星期会给你写信。 小结：will/shall+动词原形，表示将来某个时间要发生的动作或存在的状态；或表示自然趋势或非主语意志。I shall be sixteen years ld next mnth.　 下个月我将十六岁了。（自然趋势）
表示将来的时态还有下列的方法：
②be ging t +动词原形，表示“就要……”，“打算……”或将要发生的事。We’re nt ging t have any classes next week.表示“位移”的词，如arrive, cme, g , leave, start, begin等，可用一般现在时表示将来安排好或即将发生的事。语气比现在进行时更肯定。The next train leaves at 9:15.
Because the shp___________, all the T-shirts are sld at half price. A. has clsed dwn B. clsed dwn C. is clsing dwn D. had had clsed dwn (clse dwn关闭，歇业)2. I’ve wn a hliday fr tw weeks t Flrida. I______ my mum.am taking B. have taken C. take D. will have taken
3. ----Can I jin yur club, Dad?-----Yu can when yu _______ a bit lder. A. get B. will get C. are getting D. will have gt4. At this time tmrrw ______ver the Atlantic. we’re ging t fly B. we’ll be flying C. we’ll fly D. we’re t fly