English verb conjugation
CAN SPECIALISE

Regular verb: specialise - specialised - specialised

Affirmation

Simple form	V-ing form
I can specialise you can specialise he can specialise we can specialise you can specialise they can specialise	I can be specialising you can be specialising he can be specialising we can be specialising you can be specialising they can be specialising
Perfect	V-ing perfect
I can have specialised you can have specialised he can have specialised we can have specialised you can have specialised they can have specialised	I can have been specialising you can have been specialising he can have been specialising we can have been specialising you can have been specialising they can have been specialising

Negation

Simple form	V-ing form
I can't specialise you can't specialise he can't specialise we can't specialise you can't specialise they can't specialise	I can't be specialising you can't be specialising he can't be specialising we can't be specialising you can't be specialising they can't be specialising
Perfect	V-ing perfect
I can't have specialised you can't have specialised he can't have specialised we can't have specialised you can't have specialised they can't have specialised	I can't have been specialising you can't have been specialising he can't have been specialising we can't have been specialising you can't have been specialising they can't have been specialising

Interrogative form

Simple form	V-ing form
can I specialise? can you specialise? can he specialise? can we specialise? can you specialise? can they specialise?	can I be specialising? can you be specialising? can he be specialising? can we be specialising? can you be specialising? can they be specialising?
Perfect	V-ing perfect
can I have specialised? can you have specialised? can he have specialised? can we have specialised? can you have specialised? can they have specialised?	can I have been specialising? can you have been specialising? can he have been specialising? can we have been specialising? can you have been specialising? can they have been specialising?

Interro-negative form

Simple form	V-ing form
can't I specialise? can't you specialise? can't he specialise? can't we specialise? can't you specialise? can't they specialise?	can't I be specialising? can't you be specialising? can't he be specialising? can't we be specialising? can't you be specialising? can't they be specialising?
Perfect	V-ing perfect
can't I have specialised? can't you have specialised? can't he have specialised? can't we have specialised? can't you have specialised? can't they have specialised?	can't I have been specialising? can't you have been specialising? can't he have been specialising? can't we have been specialising? can't you have been specialising? can't they have been specialising?