can introduce
Regular verb: introduce - introduced- introduced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?