English verb conjugation
CAN TILL

Regular verb: till - tilled - tilled

Affirmation

Simple form	V-ing form
I can till you can till he can till we can till you can till they can till	I can be tilling you can be tilling he can be tilling we can be tilling you can be tilling they can be tilling
Perfect	V-ing perfect
I can have tilled you can have tilled he can have tilled we can have tilled you can have tilled they can have tilled	I can have been tilling you can have been tilling he can have been tilling we can have been tilling you can have been tilling they can have been tilling

Negation

Simple form	V-ing form
I can't till you can't till he can't till we can't till you can't till they can't till	I can't be tilling you can't be tilling he can't be tilling we can't be tilling you can't be tilling they can't be tilling
Perfect	V-ing perfect
I can't have tilled you can't have tilled he can't have tilled we can't have tilled you can't have tilled they can't have tilled	I can't have been tilling you can't have been tilling he can't have been tilling we can't have been tilling you can't have been tilling they can't have been tilling

Interrogative form

Simple form	V-ing form
can I till? can you till? can he till? can we till? can you till? can they till?	can I be tilling? can you be tilling? can he be tilling? can we be tilling? can you be tilling? can they be tilling?
Perfect	V-ing perfect
can I have tilled? can you have tilled? can he have tilled? can we have tilled? can you have tilled? can they have tilled?	can I have been tilling? can you have been tilling? can he have been tilling? can we have been tilling? can you have been tilling? can they have been tilling?

Interro-negative form

Simple form	V-ing form
can't I till? can't you till? can't he till? can't we till? can't you till? can't they till?	can't I be tilling? can't you be tilling? can't he be tilling? can't we be tilling? can't you be tilling? can't they be tilling?
Perfect	V-ing perfect
can't I have tilled? can't you have tilled? can't he have tilled? can't we have tilled? can't you have tilled? can't they have tilled?	can't I have been tilling? can't you have been tilling? can't he have been tilling? can't we have been tilling? can't you have been tilling? can't they have been tilling?