Modals
Irregular past tense
Adjectives and Comparisons
Commands, Suggestions,
Instructions
Fact or Opinion
100
I have no more bread. I _________ go to the store.
have to / need to
100
begin
began
100
An elephant is (big) than a duck.
bigger
100
Please close the window.
command
100
Chocolate is the best flavor of ice cream.
opinion
200
She is hurt. She _________ to go to the hospital.
needs
200
read
read
200
This book is (interesting) than that book.
more interesting
200
Let's study together tonight.
suggestion
200
It takes 17 muscles to smile.
fact
300
You __________ drink water everyday.
must
300
sleep
slept
300
This box is (short) than that box.
shorter
300
Go straight for two blocks and turn right at the light.
instructions
300
It is a good thing to vote.
opinion
400
He _________ do his homework by himself.
has to / must
400
buy
bought
400
He is the (fast) in the class.
fastest
400
Don't eat in class!
Command
400
There are not many Pandas left in the world.
fact
500
Sorry, I ________ go now. It is time for class.
have to
500
bring
brought
500
Her hair is (curly) than mine.
curlier
500
Press the blue button and wait two minutes.
instructions
500
The president of the United States is named Barack Obama.
fact