could amalgamate
Regular verb: amalgamate - amalgamated- amalgamated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could amalgamate
you could amalgamate
she could amalgamate
we could amalgamate
you could amalgamate
they could amalgamate 	I could be amalgamating
you could be amalgamating
she could be amalgamating
we could be amalgamating
you could be amalgamating
they could be amalgamating	I could have amalgamated
you could have amalgamated
she could have amalgamated
we could have amalgamated
you could have amalgamated
they could have amalgamated	I could have been amalgamating
you could have been amalgamating
she could have been amalgamating
we could have been amalgamating
you could have been amalgamating
they could have been amalgamating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't amalgamate
you couldn't amalgamate
she couldn't amalgamate
we couldn't amalgamate
you couldn't amalgamate
they couldn't amalgamate 	I couldn't be amalgamating
you couldn't be amalgamating
she couldn't be amalgamating
we couldn't be amalgamating
you couldn't be amalgamating
they couldn't be amalgamating	I couldn't have amalgamated
you couldn't have amalgamated
she couldn't have amalgamated
we couldn't have amalgamated
you couldn't have amalgamated
they couldn't have amalgamated	I couldn't have been amalgamating
you couldn't have been amalgamating
she couldn't have been amalgamating
we couldn't have been amalgamating
you couldn't have been amalgamating
they couldn't have been amalgamating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I amalgamate?
could you amalgamate?
could she amalgamate?
could we amalgamate?
could you amalgamate?
could they amalgamate? 	could I be amalgamating?
could you be amalgamating?
could she be amalgamating?
could we be amalgamating?
could you be amalgamating?
could they be amalgamating? 	could I have amalgamated?
could you have amalgamated?
could she have amalgamated?
could we have amalgamated?
could you have amalgamated?
could they have amalgamated? 	could I have been amalgamating?
could you have been amalgamating?
could she have been amalgamating?
could we have been amalgamating?
could you have been amalgamating?
could they have been amalgamating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I amalgamate?
couldn't you amalgamate?
couldn't she amalgamate?
couldn't we amalgamate?
couldn't you amalgamate?
couldn't they amalgamate? 	couldn't I be amalgamating?
couldn't you be amalgamating?
couldn't she be amalgamating?
couldn't we be amalgamating?
couldn't you be amalgamating?
couldn't they be amalgamating? 	couldn't I have amalgamated?
couldn't you have amalgamated?
couldn't she have amalgamated?
couldn't we have amalgamated?
couldn't you have amalgamated?
couldn't they have amalgamated? 	couldn't I have been amalgamating?
couldn't you have been amalgamating?
couldn't she have been amalgamating?
couldn't we have been amalgamating?
couldn't you have been amalgamating?
couldn't they have been amalgamating?