English verb conjugation
CAN TWINE

Regular verb: twine - twined - twined

Affirmation

Simple form	V-ing form
I can twine you can twine he can twine we can twine you can twine they can twine	I can be twining you can be twining he can be twining we can be twining you can be twining they can be twining
Perfect	V-ing perfect
I can have twined you can have twined he can have twined we can have twined you can have twined they can have twined	I can have been twining you can have been twining he can have been twining we can have been twining you can have been twining they can have been twining

Negation

Simple form	V-ing form
I cannot twine you cannot twine he cannot twine we cannot twine you cannot twine they cannot twine	I cannot be twining you cannot be twining he cannot be twining we cannot be twining you cannot be twining they cannot be twining
Perfect	V-ing perfect
I cannot have twined you cannot have twined he cannot have twined we cannot have twined you cannot have twined they cannot have twined	I cannot have been twining you cannot have been twining he cannot have been twining we cannot have been twining you cannot have been twining they cannot have been twining

Interrogative form

Simple form	V-ing form
can I twine? can you twine? can he twine? can we twine? can you twine? can they twine?	can I be twining? can you be twining? can he be twining? can we be twining? can you be twining? can they be twining?
Perfect	V-ing perfect
can I have twined? can you have twined? can he have twined? can we have twined? can you have twined? can they have twined?	can I have been twining? can you have been twining? can he have been twining? can we have been twining? can you have been twining? can they have been twining?

Interro-negative form

Simple form	V-ing form
can I not twine? can you not twine? can he not twine? can we not twine? can you not twine? can they not twine?	can I not be twining? can you not be twining? can he not be twining? can we not be twining? can you not be twining? can they not be twining?
Perfect	V-ing perfect
can I not have twined? can you not have twined? can he not have twined? can we not have twined? can you not have twined? can they not have twined?	can I not have been twining? can you not have been twining? can he not have been twining? can we not have been twining? can you not have been twining? can they not have been twining?