1、一般现在时与现在进行时比较I.【概念不同】 1.一般现在时：一般现在时表示经常的、习惯性的动作或现在的特征、状态。2.现在进行时：现在进行时表示说话时（瞬间）正在进行的动作或目前这一阶段一直持续的状态。II.【 构成不同】一般现在时：一般现在时的构成有以下几种类型：1)be 动词型： be 在肯定句中的形式为：am, is 或 are; 在否定句中的形式为: am not, is not / isnt 或 are not / arent; 在一般疑问句中， am, is 或 are 要放在句子开头，简略答语为：Yes, 主语 + am / is / are. 或 No, 主语 + am not
2、 / isnt / arent. 例如：Are you a teacher? 你是一名教师吗？2). 情态动词型：句子中的谓语动词由“情态动词 + 动词原形”构成。例如：I can sing in English. 我可以用英语唱歌。3)祈使句型：无论是肯定形式的祈使句，还是否定形式的祈使句，通常用一般现在时。例如：Sit down, please. 请坐。 Dont worry. 别担心。4) 实义（行为）动词型： 在肯定句中，句子的谓语动词是 do。在否定句中，句子的谓语动词由“ 动词 do / dont 或 does / doesnt + 动词原形”构成。例如：He doesnt wat
3、ch TV in the evening. 他晚上不看电视。在一般疑问句中，句子的谓语动词仍由“助动词 do 或 does . + 动词原形”构成。例如：Does Jack leave home at seven? 杰克是 7 点离开家的吗？现在进行时:现在进行时由“助动词 be ( am, is are ) + 动词的现在分词” 构成。现在分词的构成，1)在动词原形上加ing 2) 动词以单个 e 结尾 去掉 e, 加 ing love _loving3) 动词以 ee 结尾 直接加 ing see _ seeing 4) 辅音字母双写，再加 ing hit_-hitting run_run
4、ning stop_stopping beggin- beginning5)以 y 结尾的动词 直接加 ing carry-carrying enjoy enjoying III.【时间状语不同】1. 常与一般现在时连用的时间状语有： sometimes, usually, never, always, often; every day / week / month / year / . ; on Sunday (s) / monday (s) /. ; at seven forty; in the morning / afternoon / evening; now; today 等等。例如
5、：I write to my uncle every month. 我每个月给叔叔写一封信。2. Dont . 等开头的祈使句常常会引出现在进行时的句子。3. 常与现在进行时连用的时间状语有：now, at the moment; 另外，Look, Listen 或 一般现在时和现在进行时练习题一、写出下列动词的现在分词形式1.work_sing_ play_ study_ 2.dance_ have_ write_ take_3.run_ sit_ shop_ swim_4. lie_二、写出下列动词的第三人称单数形式1.work_ read_ clean_ write_2.teach_ w
6、ash_ guess_watch_3. go_ do_ photo_4.study_ fly_ cry_ play_5. have_三填入 be 动词的适当形式 1. He _ drinking water. 2. The eagle _ flying in the sky. 3. Children _ playing in the playground. 4. They are _ working now. 5. I _ going to the supermarket. 6. I _ coming. 7. He _ walking in the woods now. 四现在进行时 1. W
7、hat are you _(do) now? I _(eat) bread. 2. Its nine oclock. My father_(work) in the office. 3. Look, the boy_(put) the rubbish into the bin. 4. _he_(clean) the classroom? No, he isnt. He_(play). 5. Where is Mak? He_(run) on the grass. 6. Listen, who_(sing) in the music room? Oh, Mary_(sing) there. 五。
8、选择题练习( ) 1. Who _ over there now? A. singing B. are sing C. is singing D. sing( ) 2. Its eight oclock The students _ an English class. A. have B. having C. is having D. are having( ) 3. Listen! The baby _ in the next room. A. crying B. cried C. is crying D. cries( ) 4. Look! The twins _ new sweaters
9、. A. are wearing B. wearing C. are wear D. is wearing( ) 5. Dont talk here. Grandparents _. A. is sleeping B. are sleeping C. sleeping D. sleep( ) 6. Tom is a worker. He _ in a factory. His sisters _ in a hospital.A. work/ work B. works/ work C. work/ works( ) 7. Who _ English best in your class? A.
10、 speak B. speaks C. speaking( ) 8. Mrs Read _ the windows every day. A. is cleaning B. clean C. cleans( ) 9. We _ music and often _ to music. A. like/ listen B. likes/ listens C. like/ are listening( ) 10. She _ up at six in the morning. A. get B. gets C. getting( ) 11. On Sunday he sometimes _ his
11、clothes and sometimes _ some shopping.A. wash/ do B. is washing/ is doing C. washes/ does( ) 12. The twins usually _ milk and bread for breakfast, but Jim _ some coffee for it.A. have/ have B. have/ has C. has/ have六。填空: 1. She is _ (walk, walking) now. 2. Mother is _ (feed, feeding) birds. 3. They
12、are _ (sitting, siting) on the chair. 4. Cindy is _ (watch, watching) TV. 5. Joe is _ (jogging, joging) in the garden. 6. Look, Nick is _ (coming, come). 7. The cat is _ (lieing, lying) on the rug. 8. Listen, she is _ (singing, sing). 9. Look, the girl is _ (run). 10. The cat is _ (eat) now. 11. Loo
13、k, the baby is _ (smile). 12. My mother and my father are _ (dance). 13. Uncle Jerry is _ (drive). 14. The fish is _ (swim) in the river. 15. She is _ (shop). 七、填空：1. My father always _(come) back from work very late.2. The teacher is busy. He _ (sleep) six hours a day.3. Listen! Joan _(sing) in the
14、 classroom. She often _ (sing) there.4. _ your brother _(know) Japanese?5. Where _ you _ (have) lunch every day?6. The girl _(like) wearing a skirt. Look! She _(wear) a red skirt today.八、根据中文意思完成句子1、学生们在干什么？有一些在打电话，另一些躺在沙滩上。_ _ the students _? Some _ _ on the phone, _ _ _ on the beach.2、 “格林先生在看电视吗？
15、” “不， 他在打扫房间。 ”“_ Mr Green _ TV?” “_, He _ _ the house.”3、魏芳不是在读书，她在写信。Wei Fang _ _ a book. She _ _ a letter.4、今天天气怎么样？_ is the weather today? 或_ is the weather _ today?5、我正在通过收音机学 (learn) 英语。I _ _ English on the radio.6、这个老人每天早上六点钟起床。The old man _ _ at six oclock in the morning every day.7、你从哪里来？ W
16、here _ you from? 或 Where _ you _ from?我从美国来。 I _ from America. 或 I _ from America.九。将下列句子改成现在进行时 1. Tom can speak Chinese. 2. We have four lessons. 3. I watch TV every day. 4. She works in a hospital. 5. Do you like this book? 6. Kitty and Ben have lunch at about twelve. 7. His father can help them. 8. Danny, open the door.9. They watch TV in the evening.
