can contemn
Regular verb: contemn - contemned- contemned

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot contemn
you cannot contemn
she cannot contemn
we cannot contemn
you cannot contemn
they cannot contemn 	I cannot be contemning
you cannot be contemning
she cannot be contemning
we cannot be contemning
you cannot be contemning
they cannot be contemning	I cannot have contemned
you cannot have contemned
she cannot have contemned
we cannot have contemned
you cannot have contemned
they cannot have contemned	I cannot have been contemning
you cannot have been contemning
she cannot have been contemning
we cannot have been contemning
you cannot have been contemning
they cannot have been contemning	

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

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