English verb conjugation
CAN LAST

Regular verb: last - lasted - lasted

Affirmation

Simple form	V-ing form
I can last you can last he can last we can last you can last they can last	I can be lasting you can be lasting he 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 he 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 he 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 can't last you can't last he can't last we can't last you can't last they can't last	I can't be lasting you can't be lasting he can't be lasting we can't be lasting you can't be lasting they can't be lasting
Perfect	V-ing perfect
I can't have lasted you can't have lasted he can't have lasted we can't have lasted you can't have lasted they can't have lasted	I can't have been lasting you can't have been lasting he can't have been lasting we can't have been lasting you can't have been lasting they can't have been lasting

Interrogative form

Simple form	V-ing form
can I last? can you last? can he last? can we last? can you last? can they last?	can I be lasting? can you be lasting? can he 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 he 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 he 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't I last? can't you last? can't he last? can't we last? can't you last? can't they last?	can't I be lasting? can't you be lasting? can't he be lasting? can't we be lasting? can't you be lasting? can't they be lasting?
Perfect	V-ing perfect
can't I have lasted? can't you have lasted? can't he have lasted? can't we have lasted? can't you have lasted? can't they have lasted?	can't I have been lasting? can't you have been lasting? can't he have been lasting? can't we have been lasting? can't you have been lasting? can't they have been lasting?