English verb conjugation
CAN INSERT

Regular verb: insert - inserted - inserted

Affirmation

Simple form	V-ing form
I can insert you can insert she can insert we can insert you can insert they can insert	I can be inserting you can be inserting she can be inserting we can be inserting you can be inserting they can be inserting
Perfect	V-ing perfect
I can have inserted you can have inserted she can have inserted we can have inserted you can have inserted they can have inserted	I can have been inserting you can have been inserting she can have been inserting we can have been inserting you can have been inserting they can have been inserting

Negation

Simple form	V-ing form
I can't insert you can't insert she can't insert we can't insert you can't insert they can't insert	I can't be inserting you can't be inserting she can't be inserting we can't be inserting you can't be inserting they can't be inserting
Perfect	V-ing perfect
I can't have inserted you can't have inserted she can't have inserted we can't have inserted you can't have inserted they can't have inserted	I can't have been inserting you can't have been inserting she can't have been inserting we can't have been inserting you can't have been inserting they can't have been inserting

Interrogative form

Simple form	V-ing form
can I insert? can you insert? can she insert? can we insert? can you insert? can they insert?	can I be inserting? can you be inserting? can she be inserting? can we be inserting? can you be inserting? can they be inserting?
Perfect	V-ing perfect
can I have inserted? can you have inserted? can she have inserted? can we have inserted? can you have inserted? can they have inserted?	can I have been inserting? can you have been inserting? can she have been inserting? can we have been inserting? can you have been inserting? can they have been inserting?

Interro-negative form

Simple form	V-ing form
can't I insert? can't you insert? can't she insert? can't we insert? can't you insert? can't they insert?	can't I be inserting? can't you be inserting? can't she be inserting? can't we be inserting? can't you be inserting? can't they be inserting?
Perfect	V-ing perfect
can't I have inserted? can't you have inserted? can't she have inserted? can't we have inserted? can't you have inserted? can't they have inserted?	can't I have been inserting? can't you have been inserting? can't she have been inserting? can't we have been inserting? can't you have been inserting? can't they have been inserting?