English verb conjugation
CAN INVERT

Regular verb: invert - inverted - inverted

Affirmation

Simple form	V-ing form
I can invert you can invert he can invert we can invert you can invert they can invert	I can be inverting you can be inverting he can be inverting we can be inverting you can be inverting they can be inverting
Perfect	V-ing perfect
I can have inverted you can have inverted he can have inverted we can have inverted you can have inverted they can have inverted	I can have been inverting you can have been inverting he can have been inverting we can have been inverting you can have been inverting they can have been inverting

Negation

Simple form	V-ing form
I can't invert you can't invert he can't invert we can't invert you can't invert they can't invert	I can't be inverting you can't be inverting he can't be inverting we can't be inverting you can't be inverting they can't be inverting
Perfect	V-ing perfect
I can't have inverted you can't have inverted he can't have inverted we can't have inverted you can't have inverted they can't have inverted	I can't have been inverting you can't have been inverting he can't have been inverting we can't have been inverting you can't have been inverting they can't have been inverting

Interrogative form

Simple form	V-ing form
can I invert? can you invert? can he invert? can we invert? can you invert? can they invert?	can I be inverting? can you be inverting? can he be inverting? can we be inverting? can you be inverting? can they be inverting?
Perfect	V-ing perfect
can I have inverted? can you have inverted? can he have inverted? can we have inverted? can you have inverted? can they have inverted?	can I have been inverting? can you have been inverting? can he have been inverting? can we have been inverting? can you have been inverting? can they have been inverting?

Interro-negative form

Simple form	V-ing form
can't I invert? can't you invert? can't he invert? can't we invert? can't you invert? can't they invert?	can't I be inverting? can't you be inverting? can't he be inverting? can't we be inverting? can't you be inverting? can't they be inverting?
Perfect	V-ing perfect
can't I have inverted? can't you have inverted? can't he have inverted? can't we have inverted? can't you have inverted? can't they have inverted?	can't I have been inverting? can't you have been inverting? can't he have been inverting? can't we have been inverting? can't you have been inverting? can't they have been inverting?