I can compliment you can compliment he can compliment we can compliment you can compliment they can compliment
V-ing form
I can be complimenting you can be complimenting he can be complimenting we can be complimenting you can be complimenting they can be complimenting
Perfect
I can have complimented you can have complimented he can have complimented we can have complimented you can have complimented they can have complimented
V-ing perfect
I can have been complimenting you can have been complimenting he can have been complimenting we can have been complimenting you can have been complimenting they can have been complimenting
Negation
Simple form
I cannot compliment you cannot compliment he cannot compliment we cannot compliment you cannot compliment they cannot compliment
V-ing form
I cannot be complimenting you cannot be complimenting he cannot be complimenting we cannot be complimenting you cannot be complimenting they cannot be complimenting
Perfect
I cannot have complimented you cannot have complimented he cannot have complimented we cannot have complimented you cannot have complimented they cannot have complimented
V-ing perfect
I cannot have been complimenting you cannot have been complimenting he cannot have been complimenting we cannot have been complimenting you cannot have been complimenting they cannot have been complimenting
Interrogative form
Simple form
can I compliment? can you compliment? can he compliment? can we compliment? can you compliment? can they compliment?
V-ing form
can I be complimenting? can you be complimenting? can he be complimenting? can we be complimenting? can you be complimenting? can they be complimenting?
Perfect
can I have complimented? can you have complimented? can he have complimented? can we have complimented? can you have complimented? can they have complimented?
V-ing perfect
can I have been complimenting? can you have been complimenting? can he have been complimenting? can we have been complimenting? can you have been complimenting? can they have been complimenting?
Interro-negative form
Simple form
can I not compliment? can you not compliment? can he not compliment? can we not compliment? can you not compliment? can they not compliment?
V-ing form
can I not be complimenting? can you not be complimenting? can he not be complimenting? can we not be complimenting? can you not be complimenting? can they not be complimenting?
Perfect
can I not have complimented? can you not have complimented? can he not have complimented? can we not have complimented? can you not have complimented? can they not have complimented?
V-ing perfect
can I not have been complimenting? can you not have been complimenting? can he not have been complimenting? can we not have been complimenting? can you not have been complimenting? can they not have been complimenting?