四大时态知识沉淀（知识清单）通用版英语

一般现在时 【 含义】 Eg: Tony is a doctor. 含义一：一般现在时表示目前的状态 Eg: Tony watches TV every day. 含义二：一般现在时表示经常性、习惯性的动作 【 结构】 1 . 含义一 Eg: I am a teacher. Eg: He is a student. Eg: We are workers. 肯定句：主语+am/is/are+其他. Eg: I am not a teacher. Eg: He is not a student. (isn’t) Eg: We are not workers. (aren’t) 否定句：主语+am/is/are+not+其他. Eg: Are you a teacher?——Yes, I am. / No, I’m not. Eg: Is he a student?——Yes, he is. / No, he isn’t. 疑问句：Am/Is/Are+主语+其他? 2 . 含义二 Eg: I go to school every day. Eg: She eats bread in the morning. 肯定句：主语+do/does+其他. Eg: I don’t go to school every day. Eg: She doesn’ t eat bread in the morning. 否定句：主语+don’t/doesn’t+do+其他. Eg: Do you go to school every day?——Yes, I do. / No, I don’t. Eg: Does she eat bread in the morning?——Yes, she does. / No,she doesn’t. 疑问句：Do/Does+主语+do+其他? 【 标志词】 every 系列 always often usually sometimes in the morning/afternoon/evening 一般过去时 【 含义】 Eg: I was a doctor 10 years ago. 含义一：一般过去时表示过去存在的状态 Eg: Yesterday, I played computer. 含义二：一般过去时表示发生在过去的动作 【 结构】 1 . 含义一 Eg: I was a worker in 1998. Eg: We were in the zoo yesterday. 肯定句：主语+was/were+其他. Eg: I was not a worker in 1998. (wasn’t) Eg: We were not in the zoo yesterday. 否定句：主语+was/were+not+其他. Eg: Were you a worker in 1998?——Yes, I was. / No, I wasn’t. Eg: Was he in the zoo yesterday?——Yes, he was. / No, he wasn’t. 疑问句：Was/Were+主语+其他? 2 . 含义二 Eg: I went to school last week. 肯定句：主语+did+其他. Eg: I didn’t go to school last week. 否定句：主语+didn’t+do+其他. Eg: Did you go to school yesterday?——Yes, I did./ No, I didn’t. 疑问句：Did+主语+do+其他? 【 标志词】 1 2 3 4 . yesterday 系列：yesterday morning . last 系列：last week . ago 系列：3 days ago . 明显的过去时间 eg: in 1998 一般将来时 【 含义】 Eg: Tony will go to China tomorrow. 含义：发生在将来的动作或者状态 【 结构】 结构一 Eg: I am going to water the flower tomorrow. 肯定句：主语+am/is/are+going to+do. Eg: I am not going to water the flower tomorrow. 否定句：主语+am/is/are+not+going to+do. Eg: Are you going to water the flower tomorrow? 疑问句：Am/Is/Are+主语+going to+do? 结构二 Eg: He will take an exam tomorrow. 肯