The students study English last year.
The student studied English last year.
The students at the college works hard on their classes.
The students at the college work hard at their classes.
I like to exercises every day.
I like to EXERCISE every day. (No s after exercise)
English grammar is confused.
Wrong- English grammar is confusing .
WHAT ARE THESE CALLED? 
EMOJIS
The students at the college are study grammar this semester.
The students at the college are studying grammar this semester.
The teacher didn't assigned any homework.
The teacher didn't assign any homework.
Two of the players of the game win a prize yesterday.
Two of the players of the game WON a prize yesterday.
I am disappointed that the weather is rainy again.
Right
An animal that can live both on land and in water is called:
AMPHIBIOUS
She studys English every day.
She studies English every day.
The singer can sings well.
The singer can sing well.
The players are play basketball.
The players play basketball.
or
The players are playing basketball.
Studying English can be exhausting.
Right
Lots of energy and style...
PANACHE
I seen the Avengers movie last night.
I saw the Avengers movie last night.
The students have learn a lot of grammar rules.
The students have learned a lot of grammar rules.
I studied English at the college since 2015.
I have studied English at the college since 2015.
Some people are terrifying to fly in airplanes.
Wrong- terrifed
Having a desire to do good...
BENEVOLENT
I have never rode a horse.
I have never ridden a horse.
The class hopes going to a restaurant for a meal after class.
The class hopes to go to a restaurant for a meal after class.
Although I like to study, but I don't like to read.
I like to study, but I don't like to read.
or
Although I like to study, I don't like to read.
That movie was amazed.
Wrong- Amazing
TO INCREASE IN EXTENT, VOLUME, AMOUNT, OR SCOPE...
ESCALATE