English verb conjugation
CAN INTRODUCE

Regular verb: introduce - introduced - introduced

Affirmation

Simple form	V-ing form
I can introduce you can introduce she can introduce we can introduce you can introduce they can introduce	I can be introducing you can be introducing she can be introducing we can be introducing you can be introducing they can be introducing
Perfect	V-ing perfect
I can have introduced you can have introduced she can have introduced we can have introduced you can have introduced they can have introduced	I can have been introducing you can have been introducing she can have been introducing we can have been introducing you can have been introducing they can have been introducing

Negation

Simple form	V-ing form
I can't introduce you can't introduce she can't introduce we can't introduce you can't introduce they can't introduce	I can't be introducing you can't be introducing she can't be introducing we can't be introducing you can't be introducing they can't be introducing
Perfect	V-ing perfect
I can't have introduced you can't have introduced she can't have introduced we can't have introduced you can't have introduced they can't have introduced	I can't have been introducing you can't have been introducing she can't have been introducing we can't have been introducing you can't have been introducing they can't have been introducing

Interrogative form

Simple form	V-ing form
can I introduce? can you introduce? can she introduce? can we introduce? can you introduce? can they introduce?	can I be introducing? can you be introducing? can she be introducing? can we be introducing? can you be introducing? can they be introducing?
Perfect	V-ing perfect
can I have introduced? can you have introduced? can she have introduced? can we have introduced? can you have introduced? can they have introduced?	can I have been introducing? can you have been introducing? can she have been introducing? can we have been introducing? can you have been introducing? can they have been introducing?

Interro-negative form

Simple form	V-ing form
can't I introduce? can't you introduce? can't she introduce? can't we introduce? can't you introduce? can't they introduce?	can't I be introducing? can't you be introducing? can't she be introducing? can't we be introducing? can't you be introducing? can't they be introducing?
Perfect	V-ing perfect
can't I have introduced? can't you have introduced? can't she have introduced? can't we have introduced? can't you have introduced? can't they have introduced?	can't I have been introducing? can't you have been introducing? can't she have been introducing? can't we have been introducing? can't you have been introducing? can't they have been introducing?