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 cannot still you cannot still he cannot still we cannot still you cannot still they cannot still	I cannot be stilling you cannot be stilling he cannot be stilling we cannot be stilling you cannot be stilling they cannot be stilling
Perfect	V-ing perfect
I cannot have stilled you cannot have stilled he cannot have stilled we cannot have stilled you cannot have stilled they cannot have stilled	I cannot have been stilling you cannot have been stilling he cannot have been stilling we cannot have been stilling you cannot have been stilling they cannot 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 I not still? can you not still? can he not still? can we not still? can you not still? can they not still?	can I not be stilling? can you not be stilling? can he not be stilling? can we not be stilling? can you not be stilling? can they not be stilling?
Perfect	V-ing perfect
can I not have stilled? can you not have stilled? can he not have stilled? can we not have stilled? can you not have stilled? can they not have stilled?	can I not have been stilling? can you not have been stilling? can he not have been stilling? can we not have been stilling? can you not have been stilling? can they not have been stilling?