English verb conjugation
CAN INVITE

Regular verb: invite - invited - invited

Affirmation

Simple form	V-ing form
I can invite you can invite he can invite we can invite you can invite they can invite	I can be inviting you can be inviting he can be inviting we can be inviting you can be inviting they can be inviting
Perfect	V-ing perfect
I can have invited you can have invited he can have invited we can have invited you can have invited they can have invited	I can have been inviting you can have been inviting he can have been inviting we can have been inviting you can have been inviting they can have been inviting

Negation

Simple form	V-ing form
I can't invite you can't invite he can't invite we can't invite you can't invite they can't invite	I can't be inviting you can't be inviting he can't be inviting we can't be inviting you can't be inviting they can't be inviting
Perfect	V-ing perfect
I can't have invited you can't have invited he can't have invited we can't have invited you can't have invited they can't have invited	I can't have been inviting you can't have been inviting he can't have been inviting we can't have been inviting you can't have been inviting they can't have been inviting

Interrogative form

Simple form	V-ing form
can I invite? can you invite? can he invite? can we invite? can you invite? can they invite?	can I be inviting? can you be inviting? can he be inviting? can we be inviting? can you be inviting? can they be inviting?
Perfect	V-ing perfect
can I have invited? can you have invited? can he have invited? can we have invited? can you have invited? can they have invited?	can I have been inviting? can you have been inviting? can he have been inviting? can we have been inviting? can you have been inviting? can they have been inviting?

Interro-negative form

Simple form	V-ing form
can't I invite? can't you invite? can't he invite? can't we invite? can't you invite? can't they invite?	can't I be inviting? can't you be inviting? can't he be inviting? can't we be inviting? can't you be inviting? can't they be inviting?
Perfect	V-ing perfect
can't I have invited? can't you have invited? can't he have invited? can't we have invited? can't you have invited? can't they have invited?	can't I have been inviting? can't you have been inviting? can't he have been inviting? can't we have been inviting? can't you have been inviting? can't they have been inviting?