Unit 1 Grammar Overview of tenses1:present tenses Present tenses are used to talk about the present time
These tenses include: simple present present continuous present perfect present perfect continuous we use the simple present tense to talk about things that: 1
I am at a comedy show
The sun rises in the east
The Academy Award show is on television every year
Every time a prop comedian tells a joke, he or she uses a thing, called a prop
are true now or are always true
occur regularly1 这里很少下雪2 他喜爱体育运动3 太阳从东方升起4 他总是乐于助人1
It seldom snows here
He loves sports
The sun rises in the east
He is always ready to help others
Time marker: usually; always; seldom; often; sometimes; frequently; every day; every week; on sundaysNote 1:1
He is always making trouble
He is constantl