English verb conjugation
CAN INFEST

Regular verb: infest - infested - infested

Affirmation

Simple form	V-ing form
I can infest you can infest he can infest we can infest you can infest they can infest	I can be infesting you can be infesting he can be infesting we can be infesting you can be infesting they can be infesting
Perfect	V-ing perfect
I can have infested you can have infested he can have infested we can have infested you can have infested they can have infested	I can have been infesting you can have been infesting he can have been infesting we can have been infesting you can have been infesting they can have been infesting

Negation

Simple form	V-ing form
I can't infest you can't infest he can't infest we can't infest you can't infest they can't infest	I can't be infesting you can't be infesting he can't be infesting we can't be infesting you can't be infesting they can't be infesting
Perfect	V-ing perfect
I can't have infested you can't have infested he can't have infested we can't have infested you can't have infested they can't have infested	I can't have been infesting you can't have been infesting he can't have been infesting we can't have been infesting you can't have been infesting they can't have been infesting

Interrogative form

Simple form	V-ing form
can I infest? can you infest? can he infest? can we infest? can you infest? can they infest?	can I be infesting? can you be infesting? can he be infesting? can we be infesting? can you be infesting? can they be infesting?
Perfect	V-ing perfect
can I have infested? can you have infested? can he have infested? can we have infested? can you have infested? can they have infested?	can I have been infesting? can you have been infesting? can he have been infesting? can we have been infesting? can you have been infesting? can they have been infesting?

Interro-negative form

Simple form	V-ing form
can't I infest? can't you infest? can't he infest? can't we infest? can't you infest? can't they infest?	can't I be infesting? can't you be infesting? can't he be infesting? can't we be infesting? can't you be infesting? can't they be infesting?
Perfect	V-ing perfect
can't I have infested? can't you have infested? can't he have infested? can't we have infested? can't you have infested? can't they have infested?	can't I have been infesting? can't you have been infesting? can't he have been infesting? can't we have been infesting? can't you have been infesting? can't they have been infesting?