朗文3A一般现在时与现在进行时

1、Exercise for Longman English 3A Chapter 1-2 语法一般现在时与现在进行时一般现在时I一般现在时的用法 一般现在时表示现在经常反复发生的动作、存在的状态或习惯性的动作的时态。可概括为经常性或习惯性动作；长期存在的特征或状态；普遍真理、客观事实等。 构成：一般现在时用行为动词的原形，但第三人称单数作主语时，动词的词尾要加-s或es。II. 举例运用1. 表示经常性或习惯性的动作，常与表示频率的时间状语连用,如always, usually, every day等 。E.g. I go to school every day. He brushes his

2、teeth every morning.2. 长期存在的特征或状态。E.g. I like sweets. People watch fireworks at Chinese New Year.3. 普遍真理、客观规律。E.g. The sun rises in the East and sets in the West. (太阳东升西落。) The Earth moves around the sun. （地球绕着太阳转。）III. 谓语动词的变化规律 （人称为单三时，动词的变化规律） 1.在动词后加s或es： read- _ write- _ sing- _ send- _ plant-

3、_ eat- _readswritessingssendsplantseats2. 以s, sh, ch, x, o为结尾的动词后+es:wash - _ watch- _ guess- _ do- _3. 以辅音+y为结尾的动词，变y为i+es：dry (动词)- _ try- _ carry- _washeswatchesguessesdoesdriestriescarries4. be动词的变化，根据人称来变化：I _am_, we _, you _, he _, she _, it _, they _.5. have- _areareisisisarehas现在进行时I. 现在进行时的

4、用法现在进行时表示动作发生的时间是“现在”，动作目前的状态是“正在进行中”。通常结构为：人称+be动词+现在分词（ing）。II. 举例运用 现在进行时通常标志性的词语为now, Look! Listen! 等。 E.g. 1. I am doing my homework now. 2. Look! He is swimming.III. 谓语动词的变化规律即现在分词的变化规律1.通常情况下直接+ingsing- _ read- _ wash- _2.以不发音的e结尾的动词，要去e再加ingwrite- _ make- _ come - _3.对于重读闭音节词，双写末尾字母再加ingskip

5、-_ sit- _ put- _ chat- _注意：现在分词的变化没有变y为i加ing的变法。singingreadingwashingwritingmakingcomingskippingsittingputtingchatting一般现在时VS.现在进行时I. 请以动词的适当形式填空。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根据要求为句子变形。1. We eat moon cakes at Mid-Autumn Festival. (一般疑问句)_2. Santa has a present for Pam. (一般疑问句)_3. They are racing. (一般疑问句)_4. This is a sweet card. (一般疑问句)_5. He is watching dragon boat races now. (一般疑问句)_Do you eat moon cak