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必修1《Grammar》PPT课件优质课下载
are
do
does
is
Part One The present tense 一般现在时
I usually get up at six o’clock in the morning.
2. The plane takes off at eight o’clock.
3. Practice makes perfect.
4. If it rains tomorrow, I will stay at home.
经常性，习惯性
规定，计划，安排
客观事实，普遍真理
主将从现
The present continuous tense 现在进行时
构成：
be doing
am
is
are
﹢
The present continuous tense 现在进行时
The water supply has been cut off because the workers are repairing one of the main pipes.
2. My father is coming to see me this Saturday.
正在进行的动作
计划安排即将发生的动作