English verb conjugation
CAN VULCANISE

Regular verb: vulcanise - vulcanised - vulcanised

Affirmation

Simple form	V-ing form
I can vulcanise you can vulcanise he can vulcanise we can vulcanise you can vulcanise they can vulcanise	I can be vulcanising you can be vulcanising he can be vulcanising we can be vulcanising you can be vulcanising they can be vulcanising
Perfect	V-ing perfect
I can have vulcanised you can have vulcanised he can have vulcanised we can have vulcanised you can have vulcanised they can have vulcanised	I can have been vulcanising you can have been vulcanising he can have been vulcanising we can have been vulcanising you can have been vulcanising they can have been vulcanising

Negation

Simple form	V-ing form
I can't vulcanise you can't vulcanise he can't vulcanise we can't vulcanise you can't vulcanise they can't vulcanise	I can't be vulcanising you can't be vulcanising he can't be vulcanising we can't be vulcanising you can't be vulcanising they can't be vulcanising
Perfect	V-ing perfect
I can't have vulcanised you can't have vulcanised he can't have vulcanised we can't have vulcanised you can't have vulcanised they can't have vulcanised	I can't have been vulcanising you can't have been vulcanising he can't have been vulcanising we can't have been vulcanising you can't have been vulcanising they can't have been vulcanising

Interrogative form

Simple form	V-ing form
can I vulcanise? can you vulcanise? can he vulcanise? can we vulcanise? can you vulcanise? can they vulcanise?	can I be vulcanising? can you be vulcanising? can he be vulcanising? can we be vulcanising? can you be vulcanising? can they be vulcanising?
Perfect	V-ing perfect
can I have vulcanised? can you have vulcanised? can he have vulcanised? can we have vulcanised? can you have vulcanised? can they have vulcanised?	can I have been vulcanising? can you have been vulcanising? can he have been vulcanising? can we have been vulcanising? can you have been vulcanising? can they have been vulcanising?

Interro-negative form

Simple form	V-ing form
can't I vulcanise? can't you vulcanise? can't he vulcanise? can't we vulcanise? can't you vulcanise? can't they vulcanise?	can't I be vulcanising? can't you be vulcanising? can't he be vulcanising? can't we be vulcanising? can't you be vulcanising? can't they be vulcanising?
Perfect	V-ing perfect
can't I have vulcanised? can't you have vulcanised? can't he have vulcanised? can't we have vulcanised? can't you have vulcanised? can't they have vulcanised?	can't I have been vulcanising? can't you have been vulcanising? can't he have been vulcanising? can't we have been vulcanising? can't you have been vulcanising? can't they have been vulcanising?