English verb conjugation
CAN WAIT

Regular verb: wait - waited - waited

Affirmation

Simple form	V-ing form
I can wait you can wait she can wait we can wait you can wait they can wait	I can be waiting you can be waiting she can be waiting we can be waiting you can be waiting they can be waiting
Perfect	V-ing perfect
I can have waited you can have waited she can have waited we can have waited you can have waited they can have waited	I can have been waiting you can have been waiting she can have been waiting we can have been waiting you can have been waiting they can have been waiting

Negation

Simple form	V-ing form
I cannot wait you cannot wait she cannot wait we cannot wait you cannot wait they cannot wait	I cannot be waiting you cannot be waiting she cannot be waiting we cannot be waiting you cannot be waiting they cannot be waiting
Perfect	V-ing perfect
I cannot have waited you cannot have waited she cannot have waited we cannot have waited you cannot have waited they cannot have waited	I cannot have been waiting you cannot have been waiting she cannot have been waiting we cannot have been waiting you cannot have been waiting they cannot have been waiting

Interrogative form

Simple form	V-ing form
can I wait? can you wait? can she wait? can we wait? can you wait? can they wait?	can I be waiting? can you be waiting? can she be waiting? can we be waiting? can you be waiting? can they be waiting?
Perfect	V-ing perfect
can I have waited? can you have waited? can she have waited? can we have waited? can you have waited? can they have waited?	can I have been waiting? can you have been waiting? can she have been waiting? can we have been waiting? can you have been waiting? can they have been waiting?

Interro-negative form

Simple form	V-ing form
can I not wait? can you not wait? can she not wait? can we not wait? can you not wait? can they not wait?	can I not be waiting? can you not be waiting? can she not be waiting? can we not be waiting? can you not be waiting? can they not be waiting?
Perfect	V-ing perfect
can I not have waited? can you not have waited? can she not have waited? can we not have waited? can you not have waited? can they not have waited?	can I not have been waiting? can you not have been waiting? can she not have been waiting? can we not have been waiting? can you not have been waiting? can they not have been waiting?