English verb conjugation
CAN ANNOUNCE

Regular verb: announce - announced - announced

Affirmation

Simple form	V-ing form
I can announce you can announce he can announce we can announce you can announce they can announce	I can be announcing you can be announcing he can be announcing we can be announcing you can be announcing they can be announcing
Perfect	V-ing perfect
I can have announced you can have announced he can have announced we can have announced you can have announced they can have announced	I can have been announcing you can have been announcing he can have been announcing we can have been announcing you can have been announcing they can have been announcing

Negation

Simple form	V-ing form
I can't announce you can't announce he can't announce we can't announce you can't announce they can't announce	I can't be announcing you can't be announcing he can't be announcing we can't be announcing you can't be announcing they can't be announcing
Perfect	V-ing perfect
I can't have announced you can't have announced he can't have announced we can't have announced you can't have announced they can't have announced	I can't have been announcing you can't have been announcing he can't have been announcing we can't have been announcing you can't have been announcing they can't have been announcing

Interrogative form

Simple form	V-ing form
can I announce? can you announce? can he announce? can we announce? can you announce? can they announce?	can I be announcing? can you be announcing? can he be announcing? can we be announcing? can you be announcing? can they be announcing?
Perfect	V-ing perfect
can I have announced? can you have announced? can he have announced? can we have announced? can you have announced? can they have announced?	can I have been announcing? can you have been announcing? can he have been announcing? can we have been announcing? can you have been announcing? can they have been announcing?

Interro-negative form

Simple form	V-ing form
can't I announce? can't you announce? can't he announce? can't we announce? can't you announce? can't they announce?	can't I be announcing? can't you be announcing? can't he be announcing? can't we be announcing? can't you be announcing? can't they be announcing?
Perfect	V-ing perfect
can't I have announced? can't you have announced? can't he have announced? can't we have announced? can't you have announced? can't they have announced?	can't I have been announcing? can't you have been announcing? can't he have been announcing? can't we have been announcing? can't you have been announcing? can't they have been announcing?