English verb conjugation
COULD MOSS

Regular verb: moss - mossed - mossed

Affirmation

Simple form	V-ing form
I could moss you could moss he could moss we could moss you could moss they could moss	I could be mossing you could be mossing he could be mossing we could be mossing you could be mossing they could be mossing
Perfect	V-ing perfect
I could have mossed you could have mossed he could have mossed we could have mossed you could have mossed they could have mossed	I could have been mossing you could have been mossing he could have been mossing we could have been mossing you could have been mossing they could have been mossing

Negation

Simple form	V-ing form
I couldn't moss you couldn't moss he couldn't moss we couldn't moss you couldn't moss they couldn't moss	I couldn't be mossing you couldn't be mossing he couldn't be mossing we couldn't be mossing you couldn't be mossing they couldn't be mossing
Perfect	V-ing perfect
I couldn't have mossed you couldn't have mossed he couldn't have mossed we couldn't have mossed you couldn't have mossed they couldn't have mossed	I couldn't have been mossing you couldn't have been mossing he couldn't have been mossing we couldn't have been mossing you couldn't have been mossing they couldn't have been mossing

Interrogative form

Simple form	V-ing form
could I moss? could you moss? could he moss? could we moss? could you moss? could they moss?	could I be mossing? could you be mossing? could he be mossing? could we be mossing? could you be mossing? could they be mossing?
Perfect	V-ing perfect
could I have mossed? could you have mossed? could he have mossed? could we have mossed? could you have mossed? could they have mossed?	could I have been mossing? could you have been mossing? could he have been mossing? could we have been mossing? could you have been mossing? could they have been mossing?

Interro-negative form

Simple form	V-ing form
couldn't I moss? couldn't you moss? couldn't he moss? couldn't we moss? couldn't you moss? couldn't they moss?	couldn't I be mossing? couldn't you be mossing? couldn't he be mossing? couldn't we be mossing? couldn't you be mossing? couldn't they be mossing?
Perfect	V-ing perfect
couldn't I have mossed? couldn't you have mossed? couldn't he have mossed? couldn't we have mossed? couldn't you have mossed? couldn't they have mossed?	couldn't I have been mossing? couldn't you have been mossing? couldn't he have been mossing? couldn't we have been mossing? couldn't you have been mossing? couldn't they have been mossing?