could belittle
Regular verb: belittle - belittled- belittled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could belittle
you could belittle
she could belittle
we could belittle
you could belittle
they could belittle 	I could be belittling
you could be belittling
she could be belittling
we could be belittling
you could be belittling
they could be belittling	I could have belittled
you could have belittled
she could have belittled
we could have belittled
you could have belittled
they could have belittled	I could have been belittling
you could have been belittling
she could have been belittling
we could have been belittling
you could have been belittling
they could have been belittling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't belittle
you couldn't belittle
she couldn't belittle
we couldn't belittle
you couldn't belittle
they couldn't belittle 	I couldn't be belittling
you couldn't be belittling
she couldn't be belittling
we couldn't be belittling
you couldn't be belittling
they couldn't be belittling	I couldn't have belittled
you couldn't have belittled
she couldn't have belittled
we couldn't have belittled
you couldn't have belittled
they couldn't have belittled	I couldn't have been belittling
you couldn't have been belittling
she couldn't have been belittling
we couldn't have been belittling
you couldn't have been belittling
they couldn't have been belittling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I belittle?
could you belittle?
could she belittle?
could we belittle?
could you belittle?
could they belittle? 	could I be belittling?
could you be belittling?
could she be belittling?
could we be belittling?
could you be belittling?
could they be belittling? 	could I have belittled?
could you have belittled?
could she have belittled?
could we have belittled?
could you have belittled?
could they have belittled? 	could I have been belittling?
could you have been belittling?
could she have been belittling?
could we have been belittling?
could you have been belittling?
could they have been belittling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I belittle?
couldn't you belittle?
couldn't she belittle?
couldn't we belittle?
couldn't you belittle?
couldn't they belittle? 	couldn't I be belittling?
couldn't you be belittling?
couldn't she be belittling?
couldn't we be belittling?
couldn't you be belittling?
couldn't they be belittling? 	couldn't I have belittled?
couldn't you have belittled?
couldn't she have belittled?
couldn't we have belittled?
couldn't you have belittled?
couldn't they have belittled? 	couldn't I have been belittling?
couldn't you have been belittling?
couldn't she have been belittling?
couldn't we have been belittling?
couldn't you have been belittling?
couldn't they have been belittling?