English verb conjugation
COULD AMALGAMATE

Regular verb: amalgamate - amalgamated - amalgamated

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?