English verb conjugation
CAN LEISTER

Regular verb: leister - leistered - leistered

Affirmation

Simple form	V-ing form
I can leister you can leister he can leister we can leister you can leister they can leister	I can be leistering you can be leistering he can be leistering we can be leistering you can be leistering they can be leistering
Perfect	V-ing perfect
I can have leistered you can have leistered he can have leistered we can have leistered you can have leistered they can have leistered	I can have been leistering you can have been leistering he can have been leistering we can have been leistering you can have been leistering they can have been leistering

Negation

Simple form	V-ing form
I can't leister you can't leister he can't leister we can't leister you can't leister they can't leister	I can't be leistering you can't be leistering he can't be leistering we can't be leistering you can't be leistering they can't be leistering
Perfect	V-ing perfect
I can't have leistered you can't have leistered he can't have leistered we can't have leistered you can't have leistered they can't have leistered	I can't have been leistering you can't have been leistering he can't have been leistering we can't have been leistering you can't have been leistering they can't have been leistering

Interrogative form

Simple form	V-ing form
can I leister? can you leister? can he leister? can we leister? can you leister? can they leister?	can I be leistering? can you be leistering? can he be leistering? can we be leistering? can you be leistering? can they be leistering?
Perfect	V-ing perfect
can I have leistered? can you have leistered? can he have leistered? can we have leistered? can you have leistered? can they have leistered?	can I have been leistering? can you have been leistering? can he have been leistering? can we have been leistering? can you have been leistering? can they have been leistering?

Interro-negative form

Simple form	V-ing form
can't I leister? can't you leister? can't he leister? can't we leister? can't you leister? can't they leister?	can't I be leistering? can't you be leistering? can't he be leistering? can't we be leistering? can't you be leistering? can't they be leistering?
Perfect	V-ing perfect
can't I have leistered? can't you have leistered? can't he have leistered? can't we have leistered? can't you have leistered? can't they have leistered?	can't I have been leistering? can't you have been leistering? can't he have been leistering? can't we have been leistering? can't you have been leistering? can't they have been leistering?