could intrude
Regular verb: intrude - intruded- intruded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could intrude
you could intrude
he could intrude
we could intrude
you could intrude
they could intrude 	I could be intruding
you could be intruding
he could be intruding
we could be intruding
you could be intruding
they could be intruding	I could have intruded
you could have intruded
he could have intruded
we could have intruded
you could have intruded
they could have intruded	I could have been intruding
you could have been intruding
he could have been intruding
we could have been intruding
you could have been intruding
they could have been intruding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not intrude
you could not intrude
he could not intrude
we could not intrude
you could not intrude
they could not intrude 	I could not be intruding
you could not be intruding
he could not be intruding
we could not be intruding
you could not be intruding
they could not be intruding	I could not have intruded
you could not have intruded
he could not have intruded
we could not have intruded
you could not have intruded
they could not have intruded	I could not have been intruding
you could not have been intruding
he could not have been intruding
we could not have been intruding
you could not have been intruding
they could not have been intruding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I intrude?
could you intrude?
could he intrude?
could we intrude?
could you intrude?
could they intrude? 	could I be intruding?
could you be intruding?
could he be intruding?
could we be intruding?
could you be intruding?
could they be intruding? 	could I have intruded?
could you have intruded?
could he have intruded?
could we have intruded?
could you have intruded?
could they have intruded? 	could I have been intruding?
could you have been intruding?
could he have been intruding?
could we have been intruding?
could you have been intruding?
could they have been intruding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not intrude?
could you not intrude?
could he not intrude?
could we not intrude?
could you not intrude?
could they not intrude? 	could I not be intruding?
could you not be intruding?
could he not be intruding?
could we not be intruding?
could you not be intruding?
could they not be intruding? 	could I not have intruded?
could you not have intruded?
could he not have intruded?
could we not have intruded?
could you not have intruded?
could they not have intruded? 	could I not have been intruding?
could you not have been intruding?
could he not have been intruding?
could we not have been intruding?
could you not have been intruding?
could they not have been intruding?