English verb conjugation
CAN PLAGUE

Regular verb: plague - plagued - plagued

Affirmation

Simple form	V-ing form
I can plague you can plague he can plague we can plague you can plague they can plague	I can be plaguing you can be plaguing he can be plaguing we can be plaguing you can be plaguing they can be plaguing
Perfect	V-ing perfect
I can have plagued you can have plagued he can have plagued we can have plagued you can have plagued they can have plagued	I can have been plaguing you can have been plaguing he can have been plaguing we can have been plaguing you can have been plaguing they can have been plaguing

Negation

Simple form	V-ing form
I can't plague you can't plague he can't plague we can't plague you can't plague they can't plague	I can't be plaguing you can't be plaguing he can't be plaguing we can't be plaguing you can't be plaguing they can't be plaguing
Perfect	V-ing perfect
I can't have plagued you can't have plagued he can't have plagued we can't have plagued you can't have plagued they can't have plagued	I can't have been plaguing you can't have been plaguing he can't have been plaguing we can't have been plaguing you can't have been plaguing they can't have been plaguing

Interrogative form

Simple form	V-ing form
can I plague? can you plague? can he plague? can we plague? can you plague? can they plague?	can I be plaguing? can you be plaguing? can he be plaguing? can we be plaguing? can you be plaguing? can they be plaguing?
Perfect	V-ing perfect
can I have plagued? can you have plagued? can he have plagued? can we have plagued? can you have plagued? can they have plagued?	can I have been plaguing? can you have been plaguing? can he have been plaguing? can we have been plaguing? can you have been plaguing? can they have been plaguing?

Interro-negative form

Simple form	V-ing form
can't I plague? can't you plague? can't he plague? can't we plague? can't you plague? can't they plague?	can't I be plaguing? can't you be plaguing? can't he be plaguing? can't we be plaguing? can't you be plaguing? can't they be plaguing?
Perfect	V-ing perfect
can't I have plagued? can't you have plagued? can't he have plagued? can't we have plagued? can't you have plagued? can't they have plagued?	can't I have been plaguing? can't you have been plaguing? can't he have been plaguing? can't we have been plaguing? can't you have been plaguing? can't they have been plaguing?