1、Exercise for Longman English 3A Chapter 1-2 語法一般現(xiàn)在時與現(xiàn)在進(jìn)行時一般現(xiàn)在時I一般現(xiàn)在時的用法 一般現(xiàn)在時表示現(xiàn)在經(jīng)常反復(fù)發(fā)生的動作、存在的狀態(tài)或習(xí)慣性的動作的時態(tài)。可概括為經(jīng)常性或習(xí)慣性動作；長期存在的特征或狀態(tài)；普遍真理、客觀事實等。 構(gòu)成：一般現(xiàn)在時用行為動詞的原形，但第三人稱單數(shù)作主語時，動詞的詞尾要加-s或es。II. 舉例運用1. 表示經(jīng)常性或習(xí)慣性的動作，常與表示頻率的時間狀語連用,如always, usually, every day等 。E.g. I go to school every day. He brushes his

2、teeth every morning.2. 長期存在的特征或狀態(tài)。E.g. I like sweets. People watch fireworks at Chinese New Year.3. 普遍真理、客觀規(guī)律。E.g. The sun rises in the East and sets in the West. (太陽東升西落。) The Earth moves around the sun. （地球繞著太陽轉(zhuǎn)。）III. 謂語動詞的變化規(guī)律 （人稱為單三時，動詞的變化規(guī)律） 1.在動詞后加s或es： read- _ write- _ sing- _ send- _ plant-

3、_ eat- _readswritessingssendsplantseats2. 以s, sh, ch, x, o為結(jié)尾的動詞后+es:wash - _ watch- _ guess- _ do- _3. 以輔音+y為結(jié)尾的動詞，變y為i+es：dry (動詞)- _ try- _ carry- _washeswatchesguessesdoesdriestriescarries4. be動詞的變化，根據(jù)人稱來變化：I _am_, we _, you _, he _, she _, it _, they _.5. have- _areareisisisarehas現(xiàn)在進(jìn)行時I. 現(xiàn)在進(jìn)行時的

4、用法現(xiàn)在進(jìn)行時表示動作發(fā)生的時間是“現(xiàn)在”，動作目前的狀態(tài)是“正在進(jìn)行中”。通常結(jié)構(gòu)為：人稱+be動詞+現(xiàn)在分詞（ing）。II. 舉例運用 現(xiàn)在進(jìn)行時通常標(biāo)志性的詞語為now, Look! Listen! 等。 E.g. 1. I am doing my homework now. 2. Look! He is swimming.III. 謂語動詞的變化規(guī)律即現(xiàn)在分詞的變化規(guī)律1.通常情況下直接+ingsing- _ read- _ wash- _2.以不發(fā)音的e結(jié)尾的動詞，要去e再加ingwrite- _ make- _ come - _3.對于重讀閉音節(jié)詞，雙寫末尾字母再加ingskip

5、-_ sit- _ put- _ chat- _注意：現(xiàn)在分詞的變化沒有變y為i加ing的變法。singingreadingwashingwritingmakingcomingskippingsittingputtingchatting一般現(xiàn)在時VS.現(xiàn)在進(jìn)行時I. 請以動詞的適當(dāng)形式填空。1. John _ (like) Mid- Autumn Festival best. He _ (eat) moon cakes at Mid-Autumn Festival.2. We _ (like) Christmas best. We _ (send) cards at Christmas.3.

6、It _ (be) cold in winter. We _ (wear) a scarf in winter but Beeno _ (not like) scarf.4. I _ (write) a card now.5. Look! He _ (sing).likeseatslikesendisweardoesnt likeam writingis singing6. Look at Beeno! He _ (swim) in the pond.7. Annie _ (not eat) hotpot now, she _ (run).8. Kate _ (brush) her teeth

7、 every morning, but now she _ (skip).9. Santa _ (try) to help but he _ (be) too heavy.10. My father is on the boat. They _ (race).is swimmingis not eatingis runningbrushesis skippingtriesisare racing11. Santa _ (have) some reindeer.12. We are _ (enjoy) the ride.13. One day Mr Wind and Miss Sun _ (ch

8、at) in the sky.14. Chinese New Year _ (be) in spring.15. Peter _ (get) lucky money every year.16. Sally _ (watch) fireworks every year. Look! She _ (watch) the fireworks now.hasenjoyingare chattingisgetswatchesis watching根據(jù)要求為句子變形。1. We eat moon cakes at Mid-Autumn Festival. (一般疑問句)_2. Santa has a present for Pam. (一般疑問句)_3. They are racing. (一般疑問句)_4. This is a sweet card. (一般疑問句)_5. He is watching dragon boat races now. (一般疑問句)_Do you eat moon cak