高中英语 Unit 1 Lifestyles Section Ⅳ Grammar教学案 北师大版必修1-北师大版高一必修1英语教学案

Section Ⅳ Grammar单元语法项目(一)——一般现在时和现在进行时语法图解探究发现①What do you do at weekends?②Do you often study at weekends?③I often watch TV series, sport and news.④I seldom have time for fun and other activities with my family.⑤Light travels faster than sound.⑥The train leaves at 7 o’clock tomorrow morning.⑦We are learning English at the moment.⑧Listen, she’s now complaining about her lunch.⑨Brian Blakey is sitting on his sofa.⑩Brian’s wife is working as a secretary.[我的发现](1)句①～⑥使用了一般现在时；其谓语动词的构成是：动词原形或动词的第三人称单数形式。(2)句⑦～⑩使用了现在进行时；其谓语动词的构成是：动词 ing 形式。(3)一般现在时的时间状语：at_weekends,_often,_seldom 等。(4)现在进行时的时间状语：at_the_moment,_now 等。一、一般现在时(一)构成和句式肯定式：主语＋do/does 或 be(am, is, are)＋其他否定式：主语＋do/does＋not 或 be(am, is, are)＋not＋其他疑问式：Do/Does 或 Be(Am, Is, Are)＋主语＋其他(二)用法1．表示经常、反复或习惯性的动作常与 often, always, usually, sometimes, every time/day/month/year ..., once a day/month/year ..., now and then, at the weekend 等时间状语连用。I leave home for school at 7 o’clock every morning.我每天早晨七点钟离开家去学校。She often answers some personal emails at the weekend.她经常在周末回复一些私人邮件。[即时演练 1] 用所给词的适当形式填空①On Monday mornings it usually takes (take) me an hour to drive to work although the actual distance is only 20 miles.②We sometimes play (play) basketball after school.③I always do (do) my homework on weekends.2．表示主语目前所处的状态、个性特征、能力等I love to get together with my friends.我喜欢和我的朋友在一起。We have a very good relationship with the children.我们与孩子们相处得非常融洽。[即时演练 2](1)单句语法填空①He likes (like) playing basketball while his brother loves (love) surf...