English verb conjugation
COULD CARBONATE

Regular verb: carbonate - carbonated - carbonated

Affirmation

Simple form	V-ing form
I could carbonate you could carbonate she could carbonate we could carbonate you could carbonate they could carbonate	I could be carbonating you could be carbonating she could be carbonating we could be carbonating you could be carbonating they could be carbonating
Perfect	V-ing perfect
I could have carbonated you could have carbonated she could have carbonated we could have carbonated you could have carbonated they could have carbonated	I could have been carbonating you could have been carbonating she could have been carbonating we could have been carbonating you could have been carbonating they could have been carbonating

Negation

Simple form	V-ing form
I could not carbonate you could not carbonate she could not carbonate we could not carbonate you could not carbonate they could not carbonate	I could not be carbonating you could not be carbonating she could not be carbonating we could not be carbonating you could not be carbonating they could not be carbonating
Perfect	V-ing perfect
I could not have carbonated you could not have carbonated she could not have carbonated we could not have carbonated you could not have carbonated they could not have carbonated	I could not have been carbonating you could not have been carbonating she could not have been carbonating we could not have been carbonating you could not have been carbonating they could not have been carbonating

Interrogative form

Simple form	V-ing form
could I carbonate? could you carbonate? could she carbonate? could we carbonate? could you carbonate? could they carbonate?	could I be carbonating? could you be carbonating? could she be carbonating? could we be carbonating? could you be carbonating? could they be carbonating?
Perfect	V-ing perfect
could I have carbonated? could you have carbonated? could she have carbonated? could we have carbonated? could you have carbonated? could they have carbonated?	could I have been carbonating? could you have been carbonating? could she have been carbonating? could we have been carbonating? could you have been carbonating? could they have been carbonating?

Interro-negative form

Simple form	V-ing form
could I not carbonate? could you not carbonate? could she not carbonate? could we not carbonate? could you not carbonate? could they not carbonate?	could I not be carbonating? could you not be carbonating? could she not be carbonating? could we not be carbonating? could you not be carbonating? could they not be carbonating?
Perfect	V-ing perfect
could I not have carbonated? could you not have carbonated? could she not have carbonated? could we not have carbonated? could you not have carbonated? could they not have carbonated?	could I not have been carbonating? could you not have been carbonating? could she not have been carbonating? could we not have been carbonating? could you not have been carbonating? could they not have been carbonating?