时态(含答案) |
您所在的位置:网站首页 › grabbed用法 › 时态(含答案) |
一、一般现在时 ( simple present tense )
1. 形式
一般现在时通常用动词原形来表示。 be 动词用 am 、 is 、 are 。 主语是第三人称单 数时动词的变化规律 : 一般动词后加 -s ;以 s 、 x 、 ch 、 sh 结尾,加 -es ;以辅音字母加 o 结尾,一般加 -es ;辅音字母加 y 结尾,变 y 为 i 加 -es 。
2 .用法 a. 表示经常发生的动作或现阶段的习惯性行为,常与时间状语 often ,
usually , always , every day , sometimes , seldom , never 等连用。
I never do my homework in the evening. Sometimes we play football on the playground. He seldom listens to music.
b. 表示现在的事实或状态。
China is a developing country. I like English very much.
c. 表示格言,科学事实和客观真理。
Pride goes before a fall. 骄者必败。
All things are difficult before they are easy. 凡事总是由难而易。
Shanghai lies in the east of China. 上海位于中国东部。
The teacher told us yesterday that December 25 is Christmas Day. 3. 句式
肯定
否定
疑问
回答
He likes eggs. He doesn ’ t like eggs. Does he like eggs? Yes,he does./No,he doesn ’ t. I want an apple. I don ’ t want an apple. Do you want an apple? Yes,I do./No,I don ’ t. 4. 做题时常见错误如下:
一、 be 动词与行为动词同时出现在句子中
例: We are plant (plant) the trees in spring. 二、单三人称形式易出错
例: 1.
He plaies (play) football very well. 2. Danny gos (go) to school at 7:10.
三、在句式变换时易出错
例: 1. Does Jenny has (has) a good friend? 2. Brian doesn’t lives (not live) in China. 四、对 do 的理解易出错
例: We don ’ t (not do) our homework in the afternoon. 五、对主语的数判断有误
例: Li Ming with me are (be) in Beijing.
另外, 宾语从句中, 从句部分若是表示客观真理, 不管主句是何时态, 从句都要用一般现在 时;在时间和条件状语从句中,主句表将来,从句要用一般现在时。
5. 中考真题及模拟
( 2009 东城区一模) Mary___________ the piano well. She is often asked to play at the concert. A. play B. plays C. playing D. played (2009 海淀区一模) My mother will take me to the movie if she _________ free this weekend. A. is B. will be C. was D. would be (2009 崇文区一模 ) The girls will have a trip if it _________fine. A. is B. was C. will be D. has been |
CopyRight 2018-2019 办公设备维修网 版权所有 豫ICP备15022753号-3 |