Period Three　Grammar & Writing

单元语法--复习动词的时态(Ⅰ)

课文原句感知

1.As a tourist，you will need to use the underground in London or the subway in New York.

2.Sometimes the same word has a slightly different meaning，which can be confusing.

3.Many factors have influenced American pronunciation since the first settlers arrived four hundred years ago.

4.Some experts believe that the two varieties are moving closer together.

5.One of the best-known faces，Monita Rajpal，was born in Hong Kong，China，and grew up speaking Chinese and Punjabi，as well as English.

6.This international dimension suggests that in the future，there are going to be many "Englishes"，not just two main varieties.

一、一般现在时

(一)构成：主语＋do/does或am/is/are

(二)用法：

1.表示现在发生的动作或存在的状态。

He does his homework before dinner every evening.

他每天晚上晚饭前做作业。

2.表示经常性、习惯性的动作或存在的状态。常与often，usually，sometimes，always等连用。

She always goes there with her parents.

她总是和父母一起去那儿。

3.表示普遍真理或客观存在的事实。

The earth turns round the sun.

地球绕着太阳转。

4.表示计划、安排好的将来动作。常用于表示位置转移的动词，如：go，come，arrive，leave，start，begin等。