Definitions
In this lesson, these ________ are used to express the mood of the subject.
Verbs
Can you list the verbs one would use for statements of certainty?
options: might, can't, may, could, couldn't, must, might not have, may not have, must have, can.
must (present tense)
must have (past tense)
Can you list the verbs one would use for statements of possibility?
options: might, can't, could, may, couldn't, must, might have, may have, must have, can.
might, may, could (present tense)
may/might have (past tense)
Can you list the verbs one would use for statements of impossibility?
options: might, can't, could, may, couldn't, must, might not have, may not have, must have, can.
can't (present tense)
couldn't (past tense)
These types of verbs are also called "Linking" verbs.
Incorrect; they are called "Helping Verbs"
This type of verb is used to talk about things that definitely are happening or have happened.
verbs of certainty
I could barely stay awake during my exam! I ______ been very tired.
must have (past tense)
My family _______ throw me a surprise party!
might/may (present tense)
I hate spiders! I ______ hold one even if I tried.
couldn't (past tense)
I can't find my keys to my car, so I was so late to class!
Incorrect; couldn't (past tense)
This type of verb is used to talk about things that may happen but are not definite.
verbs of possibility
This is a costume party. Everyone ____ dress up in a costume.
must (present tense)
I _______ gone to the zoo last weekend if it wasn't so hot.
may/might have (past tense)
My mom is allergic to cats. So she says we ______ even think about getting one for a pet.
can't (present tense)
My family must have been very tired yesterday. We spent the day hiking!
correct
This type of verb is used to talk about things that are not able to be done or were not able to be done.
verbs of impossibility
I heard Josh's dog died last week. It ________ been hard for him. I _______ go to speak with him.
must have (past tense), must (present tense)
My friend _______ wanted to see that movie. I forgot she hates horror movies.
might/may not have (past tense)
We wanted to see that movie, but we _______ because it was sold out.
couldn't (past tense)
I can't hurt his feelings. He is not talking to me anymore.
incorrect; must have or might/may have (past tense)
What is another name for these verbs?
helping verbs
I can not find my jacket anywhere. I ______ go look for it. I ________ left it at my aunt's house.
must (present tense), must have (past tense)
My teacher _______ be happy about taking us to the museum. I heard the last class he took was very loud. It is said that they _________ gotten detention.
might not (present tense) may/might have (past tense)
I heard my friend _______ eat chocolate when she was younger because she was allergic. I ______ think of anything worse!
couldn't (past tense) can't (present tense)
We were thinking that we might go on a picnic today. However, it couldn't have rained yesterday because the ground is very wet. I guess we can't go today.
incorrect; must have/might have (past tense)