高中英语人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle教案

这是一份高中英语人教版 (2019)选择性必修 第三册Unit 2 Healthy Lifestyle教案，共4页。
Step1 Lead in
What are the functins f the clred parts in the sentences?
T change bad habits is never easy.
It tk extra time t d the jb prperly.
T jin the Peple’s Liberatin Army, it is required fr men t shave ff their beards.
It was nt plite t disturb yur neighbrs with lud music last night.
The Infinitives are the subjects f the sentences!
Find mre infinitives in the reading passage.
T prevent harmful habits like these frm dminating a teenager’s life is essential.
It can be easy fr sme f them t frm bad habits.
It is nt easy t break bad habits.
Step 2 Explring the rules
Belw is a blg entry abut eating ut and eating at hme. Find the sentences that use t-infinitives as subjects and fill in the table belw.
When the t-infinitive is used as a subject, we usually use the preparatry subject it at the beginning f the sentence.
Practice1
Example：
T keep healthy and get rid f bad habits, smetimes it is als a gd idea t get prfessinal help. A nutritin specialist will take an hur t make a balanced diet menu fr yu. It is als useful t turn t a fitness cnsultant fr advice.
Yu can als help yurself with sme cmmn sense. Fr example, it is harmful t skip breakfast t ften. It is imprtant t avid passive cigarette smking. And, f curse, it is dangerus t take illegal drugs t.
Practice2
Cmplete the cnversatins with the crrect frms f the phrases in the bx.
begin with, be in cntrl f, make a chice, decide n, make up ne’s mind
1 A: Hell, dctr. I want t lse weight, but I just can’t seem t d it. What can yu d t help me?
B: Well, first, it’s necessary t _____________what yu eat. Cut ut all fatty fd and sugary drinks, and eat mre fruit and vegetables.
2. A:I really need t _________ a way t exercise mre. I culd use a fitness app, but my phne’s full.
B: S delete a few files. I’m sure the app desn’t take up much space.
3. A: Befre exercising, always d a few warm-ups t___________.
B: I knw. But then I always feel t tired t cntinue!
4. A:Shuld I g fr the pizza r the fried chicken? I hate ________________ like these. Yu knw what - I’m ging t eat bth!
B:Ww! Dn’t eat t much junk fd - yu’ll get fat. I’ve actually _________________ t g n a diet, s I’ll just stick t the fruit salad.
Step 3 Applying the rules
Cmplete the article with the crrect frms f the verbs in the brackets.
Imagine yur friend has taken yu ut t dinner at Sky Buffet. Write a thank-yu nte t yur friend, ffering t return the favur by inviting him r her t yur hme fr dinner next weekend.Remember t use t-infinitives. Use the expressins belw t help yu.
I am writing t … I have always wanted t …
It was s kind f yu t … I wuld like/lve t …
It was wnderful t … My plan is t …
Sample answer
Dear Tm,
I am writing t thank yu fr taking me t Sky Buffet. It was s kind f yu t invite me and bk a table by the windw. It was wnderful t see the city scenery and watch the beautiful sunset. I have always wanted t give Sky Buffet a try, and it certainly lived up t my expectatins! D yu have any arrangements next weekend? My plan is t invite yu ver t my hme fr dinner next Saturday. The view wn’t be as gd as at Sky Buffet but I wuld like t ck yu smething special t thank yu.
Yurs,
Mary
T-infinitives as subjects
T eat ut was als a scial activity, ...
..., it was nt that difficult t make a simple and tasty dish.