English verb conjugation
COULD CARBONATE

Regular verb: carbonate - carbonated - carbonated

Affirmation

Simple form	V-ing form
I could carbonate you could carbonate he could carbonate we could carbonate you could carbonate they could carbonate	I could be carbonating you could be carbonating he 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 he 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 he 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 couldn't carbonate you couldn't carbonate he couldn't carbonate we couldn't carbonate you couldn't carbonate they couldn't carbonate	I couldn't be carbonating you couldn't be carbonating he couldn't be carbonating we couldn't be carbonating you couldn't be carbonating they couldn't be carbonating
Perfect	V-ing perfect
I couldn't have carbonated you couldn't have carbonated he couldn't have carbonated we couldn't have carbonated you couldn't have carbonated they couldn't have carbonated	I couldn't have been carbonating you couldn't have been carbonating he couldn't have been carbonating we couldn't have been carbonating you couldn't have been carbonating they couldn't have been carbonating

Interrogative form

Simple form	V-ing form
could I carbonate? could you carbonate? could he carbonate? could we carbonate? could you carbonate? could they carbonate?	could I be carbonating? could you be carbonating? could he 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 he 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 he 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
couldn't I carbonate? couldn't you carbonate? couldn't he carbonate? couldn't we carbonate? couldn't you carbonate? couldn't they carbonate?	couldn't I be carbonating? couldn't you be carbonating? couldn't he be carbonating? couldn't we be carbonating? couldn't you be carbonating? couldn't they be carbonating?
Perfect	V-ing perfect
couldn't I have carbonated? couldn't you have carbonated? couldn't he have carbonated? couldn't we have carbonated? couldn't you have carbonated? couldn't they have carbonated?	couldn't I have been carbonating? couldn't you have been carbonating? couldn't he have been carbonating? couldn't we have been carbonating? couldn't you have been carbonating? couldn't they have been carbonating?