English verb conjugation
CAN STILL

Regular verb: still - stilled - stilled

Affirmation

Simple form	V-ing form
I can still you can still he can still we can still you can still they can still	I can be stilling you can be stilling he can be stilling we can be stilling you can be stilling they can be stilling
Perfect	V-ing perfect
I can have stilled you can have stilled he can have stilled we can have stilled you can have stilled they can have stilled	I can have been stilling you can have been stilling he can have been stilling we can have been stilling you can have been stilling they can have been stilling

Negation

Simple form	V-ing form
I can't still you can't still he can't still we can't still you can't still they can't still	I can't be stilling you can't be stilling he can't be stilling we can't be stilling you can't be stilling they can't be stilling
Perfect	V-ing perfect
I can't have stilled you can't have stilled he can't have stilled we can't have stilled you can't have stilled they can't have stilled	I can't have been stilling you can't have been stilling he can't have been stilling we can't have been stilling you can't have been stilling they can't have been stilling

Interrogative form

Simple form	V-ing form
can I still? can you still? can he still? can we still? can you still? can they still?	can I be stilling? can you be stilling? can he be stilling? can we be stilling? can you be stilling? can they be stilling?
Perfect	V-ing perfect
can I have stilled? can you have stilled? can he have stilled? can we have stilled? can you have stilled? can they have stilled?	can I have been stilling? can you have been stilling? can he have been stilling? can we have been stilling? can you have been stilling? can they have been stilling?

Interro-negative form

Simple form	V-ing form
can't I still? can't you still? can't he still? can't we still? can't you still? can't they still?	can't I be stilling? can't you be stilling? can't he be stilling? can't we be stilling? can't you be stilling? can't they be stilling?
Perfect	V-ing perfect
can't I have stilled? can't you have stilled? can't he have stilled? can't we have stilled? can't you have stilled? can't they have stilled?	can't I have been stilling? can't you have been stilling? can't he have been stilling? can't we have been stilling? can't you have been stilling? can't they have been stilling?