1. Simple present tense: subject verb base form (if the subject is the third person singular, the verb uses the third person singular form of the verb)
1. Describe a very special situation within a period of time Stable state
He
is
tall. (His physical signs are stable for a long period of time and will not be high today or tomorrow. short)
2. Describe regular actions
I
always
get
up
early
in
the
morning.
3. Describe objective truth or famous sayings
The
earth
turns
round
the
sun
Two: present continuous tense: subject am/is /are verb present participle
Describes the action taking place now
She
id
reading
books
now.
Three. Simple future tense: The simple future tense that appears in primary school is
subject be
going
to
verb base form
Describe preparations and plans to do something in the future
My
mother
is
going
to
visit
her
parents
this
evening.
Four. Simple past tense:
The past tense of the subject verb
Describes something that happened at a certain time in the past
I
went
swimming
with
my
friends
yesterday.