could contemn
Regular verb: contemn - contemned- contemned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could contemn
you could contemn
he could contemn
we could contemn
you could contemn
they could contemn 	I could be contemning
you could be contemning
he could be contemning
we could be contemning
you could be contemning
they could be contemning	I could have contemned
you could have contemned
he could have contemned
we could have contemned
you could have contemned
they could have contemned	I could have been contemning
you could have been contemning
he could have been contemning
we could have been contemning
you could have been contemning
they could have been contemning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not contemn
you could not contemn
he could not contemn
we could not contemn
you could not contemn
they could not contemn 	I could not be contemning
you could not be contemning
he could not be contemning
we could not be contemning
you could not be contemning
they could not be contemning	I could not have contemned
you could not have contemned
he could not have contemned
we could not have contemned
you could not have contemned
they could not have contemned	I could not have been contemning
you could not have been contemning
he could not have been contemning
we could not have been contemning
you could not have been contemning
they could not have been contemning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I contemn?
could you contemn?
could he contemn?
could we contemn?
could you contemn?
could they contemn? 	could I be contemning?
could you be contemning?
could he be contemning?
could we be contemning?
could you be contemning?
could they be contemning? 	could I have contemned?
could you have contemned?
could he have contemned?
could we have contemned?
could you have contemned?
could they have contemned? 	could I have been contemning?
could you have been contemning?
could he have been contemning?
could we have been contemning?
could you have been contemning?
could they have been contemning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not contemn?
could you not contemn?
could he not contemn?
could we not contemn?
could you not contemn?
could they not contemn? 	could I not be contemning?
could you not be contemning?
could he not be contemning?
could we not be contemning?
could you not be contemning?
could they not be contemning? 	could I not have contemned?
could you not have contemned?
could he not have contemned?
could we not have contemned?
could you not have contemned?
could they not have contemned? 	could I not have been contemning?
could you not have been contemning?
could he not have been contemning?
could we not have been contemning?
could you not have been contemning?
could they not have been contemning?