English verb conjugation
CAN LAST

Regular verb: last - lasted - lasted

Affirmation

Simple form	V-ing form
I can last you can last she can last we can last you can last they can last	I can be lasting you can be lasting she can be lasting we can be lasting you can be lasting they can be lasting
Perfect	V-ing perfect
I can have lasted you can have lasted she can have lasted we can have lasted you can have lasted they can have lasted	I can have been lasting you can have been lasting she can have been lasting we can have been lasting you can have been lasting they can have been lasting

Negation

Simple form	V-ing form
I cannot last you cannot last she cannot last we cannot last you cannot last they cannot last	I cannot be lasting you cannot be lasting she cannot be lasting we cannot be lasting you cannot be lasting they cannot be lasting
Perfect	V-ing perfect
I cannot have lasted you cannot have lasted she cannot have lasted we cannot have lasted you cannot have lasted they cannot have lasted	I cannot have been lasting you cannot have been lasting she cannot have been lasting we cannot have been lasting you cannot have been lasting they cannot have been lasting

Interrogative form

Simple form	V-ing form
can I last? can you last? can she last? can we last? can you last? can they last?	can I be lasting? can you be lasting? can she be lasting? can we be lasting? can you be lasting? can they be lasting?
Perfect	V-ing perfect
can I have lasted? can you have lasted? can she have lasted? can we have lasted? can you have lasted? can they have lasted?	can I have been lasting? can you have been lasting? can she have been lasting? can we have been lasting? can you have been lasting? can they have been lasting?

Interro-negative form

Simple form	V-ing form
can I not last? can you not last? can she not last? can we not last? can you not last? can they not last?	can I not be lasting? can you not be lasting? can she not be lasting? can we not be lasting? can you not be lasting? can they not be lasting?
Perfect	V-ing perfect
can I not have lasted? can you not have lasted? can she not have lasted? can we not have lasted? can you not have lasted? can they not have lasted?	can I not have been lasting? can you not have been lasting? can she not have been lasting? can we not have been lasting? can you not have been lasting? can they not have been lasting?