English verb conjugation
COULD COMPLIMENT

Regular verb: compliment - complimented - complimented

Affirmation

Simple form	V-ing form
I could compliment you could compliment he could compliment we could compliment you could compliment they could compliment	I could be complimenting you could be complimenting he could be complimenting we could be complimenting you could be complimenting they could be complimenting
Perfect	V-ing perfect
I could have complimented you could have complimented he could have complimented we could have complimented you could have complimented they could have complimented	I could have been complimenting you could have been complimenting he could have been complimenting we could have been complimenting you could have been complimenting they could have been complimenting

Negation

Simple form	V-ing form
I couldn't compliment you couldn't compliment he couldn't compliment we couldn't compliment you couldn't compliment they couldn't compliment	I couldn't be complimenting you couldn't be complimenting he couldn't be complimenting we couldn't be complimenting you couldn't be complimenting they couldn't be complimenting
Perfect	V-ing perfect
I couldn't have complimented you couldn't have complimented he couldn't have complimented we couldn't have complimented you couldn't have complimented they couldn't have complimented	I couldn't have been complimenting you couldn't have been complimenting he couldn't have been complimenting we couldn't have been complimenting you couldn't have been complimenting they couldn't have been complimenting

Interrogative form

Simple form	V-ing form
could I compliment? could you compliment? could he compliment? could we compliment? could you compliment? could they compliment?	could I be complimenting? could you be complimenting? could he be complimenting? could we be complimenting? could you be complimenting? could they be complimenting?
Perfect	V-ing perfect
could I have complimented? could you have complimented? could he have complimented? could we have complimented? could you have complimented? could they have complimented?	could I have been complimenting? could you have been complimenting? could he have been complimenting? could we have been complimenting? could you have been complimenting? could they have been complimenting?

Interro-negative form

Simple form	V-ing form
couldn't I compliment? couldn't you compliment? couldn't he compliment? couldn't we compliment? couldn't you compliment? couldn't they compliment?	couldn't I be complimenting? couldn't you be complimenting? couldn't he be complimenting? couldn't we be complimenting? couldn't you be complimenting? couldn't they be complimenting?
Perfect	V-ing perfect
couldn't I have complimented? couldn't you have complimented? couldn't he have complimented? couldn't we have complimented? couldn't you have complimented? couldn't they have complimented?	couldn't I have been complimenting? couldn't you have been complimenting? couldn't he have been complimenting? couldn't we have been complimenting? couldn't you have been complimenting? couldn't they have been complimenting?