English verb conjugation
CAN WINTERKILL

Regular verb: winterkill - winterkilled - winterkilled

Affirmation

Simple form	V-ing form
I can winterkill you can winterkill he can winterkill we can winterkill you can winterkill they can winterkill	I can be winterkilling you can be winterkilling he can be winterkilling we can be winterkilling you can be winterkilling they can be winterkilling
Perfect	V-ing perfect
I can have winterkilled you can have winterkilled he can have winterkilled we can have winterkilled you can have winterkilled they can have winterkilled	I can have been winterkilling you can have been winterkilling he can have been winterkilling we can have been winterkilling you can have been winterkilling they can have been winterkilling

Negation

Simple form	V-ing form
I can't winterkill you can't winterkill he can't winterkill we can't winterkill you can't winterkill they can't winterkill	I can't be winterkilling you can't be winterkilling he can't be winterkilling we can't be winterkilling you can't be winterkilling they can't be winterkilling
Perfect	V-ing perfect
I can't have winterkilled you can't have winterkilled he can't have winterkilled we can't have winterkilled you can't have winterkilled they can't have winterkilled	I can't have been winterkilling you can't have been winterkilling he can't have been winterkilling we can't have been winterkilling you can't have been winterkilling they can't have been winterkilling

Interrogative form

Simple form	V-ing form
can I winterkill? can you winterkill? can he winterkill? can we winterkill? can you winterkill? can they winterkill?	can I be winterkilling? can you be winterkilling? can he be winterkilling? can we be winterkilling? can you be winterkilling? can they be winterkilling?
Perfect	V-ing perfect
can I have winterkilled? can you have winterkilled? can he have winterkilled? can we have winterkilled? can you have winterkilled? can they have winterkilled?	can I have been winterkilling? can you have been winterkilling? can he have been winterkilling? can we have been winterkilling? can you have been winterkilling? can they have been winterkilling?

Interro-negative form

Simple form	V-ing form
can't I winterkill? can't you winterkill? can't he winterkill? can't we winterkill? can't you winterkill? can't they winterkill?	can't I be winterkilling? can't you be winterkilling? can't he be winterkilling? can't we be winterkilling? can't you be winterkilling? can't they be winterkilling?
Perfect	V-ing perfect
can't I have winterkilled? can't you have winterkilled? can't he have winterkilled? can't we have winterkilled? can't you have winterkilled? can't they have winterkilled?	can't I have been winterkilling? can't you have been winterkilling? can't he have been winterkilling? can't we have been winterkilling? can't you have been winterkilling? can't they have been winterkilling?