English verb conjugation
COULD OUTGAS

Regular verb: outgas - outgased - outgased

Affirmation

Simple form	V-ing form
I could outgas you could outgas he could outgas we could outgas you could outgas they could outgas	I could be outgasing you could be outgasing he could be outgasing we could be outgasing you could be outgasing they could be outgasing
Perfect	V-ing perfect
I could have outgased you could have outgased he could have outgased we could have outgased you could have outgased they could have outgased	I could have been outgasing you could have been outgasing he could have been outgasing we could have been outgasing you could have been outgasing they could have been outgasing

Negation

Simple form	V-ing form
I could not outgas you could not outgas he could not outgas we could not outgas you could not outgas they could not outgas	I could not be outgasing you could not be outgasing he could not be outgasing we could not be outgasing you could not be outgasing they could not be outgasing
Perfect	V-ing perfect
I could not have outgased you could not have outgased he could not have outgased we could not have outgased you could not have outgased they could not have outgased	I could not have been outgasing you could not have been outgasing he could not have been outgasing we could not have been outgasing you could not have been outgasing they could not have been outgasing

Interrogative form

Simple form	V-ing form
could I outgas? could you outgas? could he outgas? could we outgas? could you outgas? could they outgas?	could I be outgasing? could you be outgasing? could he be outgasing? could we be outgasing? could you be outgasing? could they be outgasing?
Perfect	V-ing perfect
could I have outgased? could you have outgased? could he have outgased? could we have outgased? could you have outgased? could they have outgased?	could I have been outgasing? could you have been outgasing? could he have been outgasing? could we have been outgasing? could you have been outgasing? could they have been outgasing?

Interro-negative form

Simple form	V-ing form
could I not outgas? could you not outgas? could he not outgas? could we not outgas? could you not outgas? could they not outgas?	could I not be outgasing? could you not be outgasing? could he not be outgasing? could we not be outgasing? could you not be outgasing? could they not be outgasing?
Perfect	V-ing perfect
could I not have outgased? could you not have outgased? could he not have outgased? could we not have outgased? could you not have outgased? could they not have outgased?	could I not have been outgasing? could you not have been outgasing? could he not have been outgasing? could we not have been outgasing? could you not have been outgasing? could they not have been outgasing?