English verb conjugation
CAN INTRODUCE

Regular verb: introduce - introduced - introduced

Affirmation

Simple form	V-ing form
I can introduce you can introduce he can introduce we can introduce you can introduce they can introduce	I can be introducing you can be introducing he 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 he 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 he 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 he 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 he 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 he 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 he 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 he introduce? can we introduce? can you introduce? can they introduce?	can I be introducing? can you be introducing? can he 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 he 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 he 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 he 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 he 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 he 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 he have been introducing? can't we have been introducing? can't you have been introducing? can't they have been introducing?