Possibility

If we refer to a possibility in the past tense, we use the modal verb...

• Maybe

• So

• Could

If we want to say that something impossible, we use the negatives...

• Isn´t/Aren´t

• Can not/Can´t

• Yes/No

We use _____ to make general statements about what is possible.

• Can

• Maybe

• So

When we use modal verbs to indicate that something is possible in the future, although not certain, we use the verbs _______ and _______.

• might/may

• Can/could

Paula ____ speak four languages.

• Can

• Can´t

• Maybe

When I was young, I _______ run very fast.

• Come

• Perhaps

• Could

We use _______, ______ and _____ to ask for permission.

• Can/May/Couldn´t

• Can/May/Could

• Can/Perhaps/Could

We used _____ when you are not sure whether something is true or something will happen.

• Maybe

• May be

Select the correct sentence.

• He is perhaps too tired to come.

• Perhaps he is too tired to come.

Correct negative form

• couldnt, might not and may not

• Coud´t, migntt not and maye not