动词时态面面观:
一般现在时
1. 一般现在时表示经常性、习惯性的动作或表示人和事物的特征与状态,也可以表示人或事物的能力。常用的时间状语有:always, often, usually, sometimes, every day(week, year), on Sunday, in the morning(afternoon, evening)等。 2. 构成 ①主语+be动词(am, is, are)+其它。如: I am a teacher. He is a student. They are workers. That is a car. ②主语+行为动词+其它。如: I like English. They watch TV every day. 当主语为第三人称单数(he, she, it)时,要在动词词尾加"-s"或"-es"。如: Miss Wu often helps me with my English. He goes to school at seven in the morning. ③主语+情态动词can+动词原形+其它。如: Tom can speak Chinese. A bird can fly. 关于一般现在时其它方面的知识,请同学们查阅《英语辅导报》(小学六年级版)有关期别。 一般过去时 1. 概念 一般过去时表示过去某一时间发生的动作或存在的状态。常和yesterday, last week(year), three days(weeks) ago, in 2003等时间状语连用。 2. 构成 (1)主语+be动词(was,were)+其它。 当主语为第一、三人称单数时,be动词用was,主语为其它人称时,be动词一律用were。如: I(He, She) was in Grade 5 last year. They were students two years ago. (2) 主语+行为动词过去式(无人称和数的变化)。如: We played football yesterday. Mr Li went to Shanghai last Sunday. 一般将来时 1. 概念 一般将来时表示将来某个时间将要进行的动作或存在的状态。常用的时间状语有:tomorrow,next week(month)等。 2. 构成 主语+be going to(will,shall)+动词原形+其它 表示打算去做某事。will用于各种人称,shall用于第一人称。如: I'm going to the park tomorrow. We shall (will) visit the Great Wall next week. They will clean the classroom this afternoon. |
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来自: maggie2000 > 《我的积累》