Unit One1. How often do you exercise ? → How often + 助動詞do(does或did) + 主語 + do sth. ? 疑問詞how often是問頻率(多經常), 在這里助動詞do(does或did) 是起幫助構成疑問的作用Every day / Once a week / Twice a month / Three times a month / Three or four times a month .2. What do you usually do on weekends ? 第一個do 為助動詞, 在這起幫助構成疑問的作用；而第二個 do 則是實義動詞。 I usually play soccer .3. What’s your favorite program ? It’s Animal World .4. What do students do at Green High School ? 第一個do 為助動詞, 在這起幫助構成疑問的作用；而第二個 do 則是實義動詞。5. As for homework , most students do homework every day . as for...意思是“至于；關于”，常用于句首作燃悶狀語，其后跟名詞、代詞或動詞的-ing形式（即動名詞）。如：As for him，I never want to see him here. 至于他，我永遠不希望在這里見到。As for the story，you'd better not believe it. 關于那故事，你最好不要相信。6. The results for “ watch TV ” are interesting .7. Mom wants me to get up at 6:00 and play ping-pong with her . → want to do sth.意思是“想要做某事”；want sb. to do sth.意思是“想要某人做某事”。如：Do you want to go to the movies with me？你想和我一起去看電影嗎？The teacher doesn't want us to eat hamburgers.老師不想讓我們吃漢堡包。8. She says it’s good for my health . → be good for...表示“對……有益（有好處）”。其反義為：be bad for...。（這里for 是介詞，后跟名詞、代詞或動名鍵舉詞）如：It's good for us to do more reading. 多讀書對我們有好處。Reading in bed is bad for your eyes.在床上讀書對你的眼睛有害。9. How many hours do you sleep every night ?10. I exercise every day , usually when I come home from school .11. My eating habits are pretty good . 這里pretty相當于very .12. I try to eat a lot of vegetables , usually ten to eleven times a week . →皮亮彎 try to do sth.表示“ 盡力做某事 ” ，不包含是否成功的意思 / try doing sth. 表示“ （用某一辦法）試著去做某事”。 如:You’d better try doing the experiment in another way. 你最好試試用另一種方法做這個試驗。13. My healthy lifestyle helps me get good grades . → help sb.(to) do sth.幫助某人做某事14. Good food and exercise help me to study better . → help sb. (to) do sth.幫助某人做某事 / 這里better是well的比較級，而不是good的比較級15. Is her lifestyle the same as yours or different ? ＝Is her lifestyle the same as your lifestyle or is her lifestyle different from your lifestyle ? → be the same as … / be different from …16. I think I’m kind of unhealthy . kind of = a little / a kind of 意思是“一種”17. What sports do you play ?18. A lot of vegetables help you to keep in good health . keep in good health = keep healthy = stay healthy19. You must try to eat less meat . → try to do sth. 表示“ 盡力做某事 ” , 不包含是否成功的意思 / less是little的比較級20. That sounds interesting. 這是“主語+系動詞+表語”結構的簡單句。sound（聽起來），look（看起來），smell（聞起來），taste（嘗起來），feel（覺得），seem（好象），grow（變得） , get（變得）等詞在英語中可用作系動詞，后跟形容詞作表語。如：It tastes good. 這味道好。The music sounds very sweet. 這音樂聽起來很入耳。The smoke grew heavier and heavier. 煙霧變得越來越濃了。Unit Two1. What’s the matter ? What’s the mater with you ? with為介詞，后跟名詞、代詞或動名詞。人稱代詞必須用它的賓格。I have a cold / have a sore back / have a stomachache2. You should lie down and rest / drink hot tea with honey / see a dentist / see a doctor .3. I’m not felling well . 這里well表示身體狀況，不能用good代替4. When did it start ? About two days ago .5. That’s too bad .6. I hope you fell better soon . 這里better是well的比較級7. Traditional Chinese doctors believe we need a balance of yin and yang to be healthy . 這里 to be healthy是動詞不定式短語，作目的狀語8. Maybe you have too much yin . too much后跟不可數名詞，而too many后跟可數名詞復數9. It’s easy to have a healthy lifestyle ,and it’s important to eat a balanced diet . → It’s easy to do sth . 做某事容易 / It’s important to do sth . 做某事重要10. Everyone gets tired sometimes . 這里get連系動詞，tired是形容詞作表語，屬系表結構11. A sore throat can give you a fever . → give sb. sth . = give sth. to sb. 把某物給某人12. Don’t get stressed out. It’s not healthy . 在這里get是連系動詞，stressed out是表語13. I have a toothache . I need to see a dentist . → need意思為 “需要” ，作實義動詞時，后跟動詞不定式，否定式為don’t /doesn’t / didn’t need (to do sth.) ；作情態動詞時，只能用于否定句或疑問句中，否定式為needn’t(do sth.) ，除有過去式外，沒有其它的形態變化14. Eat a balanced diet to stay healthy . to stay healthy是動詞不定式短語，作目的狀語15. I’m not feeling very well at the moment . at the moment = nowUnit Three1. What are you doing for vacation ? I’m babysitting my sister .2. Who are you going with ? I’m going with my parents . with my parents是介詞短語，在這里作伴隨狀語，起修飾謂語動詞are going的作用3. When are you going ? I’m going on Monday .4. What are you doing there ? I’m going hiking in the mountains .5. How long are you staying ? Just for four days . I don’t like going away for too long .6. Have a good time . = Enjoy oneself . 玩得開心、愉快7. Show me your photos when we get back to school . → show sb. sth. = show sth. to sb. 把某給某人看8. I’m going to Hawaii for vacation . for vacation是介詞短語，在這里作目的狀語，起修飾謂語動詞的作用9. What’s it like there ? 這里like是介詞，而不是動詞10. Can I ask you some questions about your vacation plans ? → ask sb. sth . 問某人某事11. Ben Lambert , the famous French singer , is taking a long vacation this summer ! → take a vacation 度假12. He thought about going to Greece or Spain , but decided on Canada . → think about 考慮 / decide on 決定 這里的about和on都是介詞13. “ I always take vacation in Europe ,” he said . “ This time I want to do something different .” → (1). want to do sth. (2). 修飾不定代詞(something , nothing , anything等)的定語常放在不定代詞的后面14. He plans to have a very relaxing vacation . → plan to do sth. 計劃做某事15. I’m planning to spend time in the beautiful countryside .16. I just finished making my last movies . → finish doing sth. 完成做某事17. I hear that Thailand is a good place to go sightseeing . to go sightseeing是動詞不定式短語，作a good place的后置定語18. She’s leaving for Hong Kong on Tuesday . → leave A for B 離開A地去B地19. I want to ask you about places to visit China . to visit China是動詞不定式短語