can contact
Regular verb: contact - contacted- contacted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can contact
you can contact
she can contact
we can contact
you can contact
they can contact 	I can be contacting
you can be contacting
she can be contacting
we can be contacting
you can be contacting
they can be contacting	I can have contacted
you can have contacted
she can have contacted
we can have contacted
you can have contacted
they can have contacted	I can have been contacting
you can have been contacting
she can have been contacting
we can have been contacting
you can have been contacting
they can have been contacting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't contact
you can't contact
she can't contact
we can't contact
you can't contact
they can't contact 	I can't be contacting
you can't be contacting
she can't be contacting
we can't be contacting
you can't be contacting
they can't be contacting	I can't have contacted
you can't have contacted
she can't have contacted
we can't have contacted
you can't have contacted
they can't have contacted	I can't have been contacting
you can't have been contacting
she can't have been contacting
we can't have been contacting
you can't have been contacting
they can't have been contacting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I contact?
can you contact?
can she contact?
can we contact?
can you contact?
can they contact? 	can I be contacting?
can you be contacting?
can she be contacting?
can we be contacting?
can you be contacting?
can they be contacting? 	can I have contacted?
can you have contacted?
can she have contacted?
can we have contacted?
can you have contacted?
can they have contacted? 	can I have been contacting?
can you have been contacting?
can she have been contacting?
can we have been contacting?
can you have been contacting?
can they have been contacting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I contact?
can't you contact?
can't she contact?
can't we contact?
can't you contact?
can't they contact? 	can't I be contacting?
can't you be contacting?
can't she be contacting?
can't we be contacting?
can't you be contacting?
can't they be contacting? 	can't I have contacted?
can't you have contacted?
can't she have contacted?
can't we have contacted?
can't you have contacted?
can't they have contacted? 	can't I have been contacting?
can't you have been contacting?
can't she have been contacting?
can't we have been contacting?
can't you have been contacting?
can't they have been contacting?