can contemn
Regular verb: contemn - contemned- contemned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can contemn
you can contemn
he can contemn
we can contemn
you can contemn
they can contemn 	I can be contemning
you can be contemning
he can be contemning
we can be contemning
you can be contemning
they can be contemning	I can have contemned
you can have contemned
he 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
he 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 can't contemn
you can't contemn
he can't contemn
we can't contemn
you can't contemn
they can't contemn 	I can't be contemning
you can't be contemning
he can't be contemning
we can't be contemning
you can't be contemning
they can't be contemning	I can't have contemned
you can't have contemned
he can't have contemned
we can't have contemned
you can't have contemned
they can't have contemned	I can't have been contemning
you can't have been contemning
he can't have been contemning
we can't have been contemning
you can't have been contemning
they can't have been contemning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I contemn?
can you contemn?
can he contemn?
can we contemn?
can you contemn?
can they contemn? 	can I be contemning?
can you be contemning?
can he be contemning?
can we be contemning?
can you be contemning?
can they be contemning? 	can I have contemned?
can you have contemned?
can he 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 he 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't I contemn?
can't you contemn?
can't he contemn?
can't we contemn?
can't you contemn?
can't they contemn? 	can't I be contemning?
can't you be contemning?
can't he be contemning?
can't we be contemning?
can't you be contemning?
can't they be contemning? 	can't I have contemned?
can't you have contemned?
can't he have contemned?
can't we have contemned?
can't you have contemned?
can't they have contemned? 	can't I have been contemning?
can't you have been contemning?
can't he have been contemning?
can't we have been contemning?
can't you have been contemning?
can't they have been contemning?