介绍:
今日主题：时态-一般现在时
常用的时态：一般现在时、一般过去时，现在完成时，过去进行时等
表达:哥伦布证明了地球是圆的
Columbus proves the earth is round.
Columbus proved the Earth is round.
Eg:哥伦布证明了地球是圆的 Columbus proved that the earth is round
一般现在时
1）表示经常发生的动作，或状态，常与表示频率的时间状语连用
时间状语：Every...，sometimes/often，at...，on Sunday 等
表达：我每天早上7点离开家去学校
I leave home for school at 7 every morning
在表达：小学上课时间一般早上是九点到下午五点
The general primary school class time is 9am to 5pm in the morning.
老师：Primary school usually starts at 9 o'clock and finishes at 5 o'clock
2）客观真理，客观存在，科学事实.
表达：地球围绕太阳转
The earth moves around the sun。
The earth revolves around the sun
再表达：上海位于中国的东部
Shanghai lies on the east of China.
Eg：地球围绕太阳转 The earth moves/revolves around the sun
Eg：上海位于中国的东部 Shanghai lies/is located in the east of China.
上海在中国里面，所以用in，而且In通常表示大地点，
3.表示格言或警句
表达：早起的鸟儿有虫吃
表达：The early bird catches/gets the worm
注意：此用法如果出现在宾语从句中，即使主句是过去时，从句也要用一般现在时
4.描述此刻的状态，能力，性格，个性
表达：他不仅英语说得好，唱歌也好
He speaks English well and sings well too.
He not only speaks English well ,but also sings well
Eg：He is not only good at speaking English，but also singing.
表达：他很随和，喜欢交朋友
He is easy-going and likes to make friends.
Eg：he is easygoing，and enjoying making friends.
He has two daughters ,who are nurses 听说这个句子去掉逗号意思不同(课后讨论)
