English verb conjugation
COULD OUTMASTER

Regular verb: outmaster - outmastered - outmastered

Affirmation

Simple form	V-ing form
I could outmaster you could outmaster she could outmaster we could outmaster you could outmaster they could outmaster	I could be outmastering you could be outmastering she could be outmastering we could be outmastering you could be outmastering they could be outmastering
Perfect	V-ing perfect
I could have outmastered you could have outmastered she could have outmastered we could have outmastered you could have outmastered they could have outmastered	I could have been outmastering you could have been outmastering she could have been outmastering we could have been outmastering you could have been outmastering they could have been outmastering

Negation

Simple form	V-ing form
I couldn't outmaster you couldn't outmaster she couldn't outmaster we couldn't outmaster you couldn't outmaster they couldn't outmaster	I couldn't be outmastering you couldn't be outmastering she couldn't be outmastering we couldn't be outmastering you couldn't be outmastering they couldn't be outmastering
Perfect	V-ing perfect
I couldn't have outmastered you couldn't have outmastered she couldn't have outmastered we couldn't have outmastered you couldn't have outmastered they couldn't have outmastered	I couldn't have been outmastering you couldn't have been outmastering she couldn't have been outmastering we couldn't have been outmastering you couldn't have been outmastering they couldn't have been outmastering

Interrogative form

Simple form	V-ing form
could I outmaster? could you outmaster? could she outmaster? could we outmaster? could you outmaster? could they outmaster?	could I be outmastering? could you be outmastering? could she be outmastering? could we be outmastering? could you be outmastering? could they be outmastering?
Perfect	V-ing perfect
could I have outmastered? could you have outmastered? could she have outmastered? could we have outmastered? could you have outmastered? could they have outmastered?	could I have been outmastering? could you have been outmastering? could she have been outmastering? could we have been outmastering? could you have been outmastering? could they have been outmastering?

Interro-negative form

Simple form	V-ing form
couldn't I outmaster? couldn't you outmaster? couldn't she outmaster? couldn't we outmaster? couldn't you outmaster? couldn't they outmaster?	couldn't I be outmastering? couldn't you be outmastering? couldn't she be outmastering? couldn't we be outmastering? couldn't you be outmastering? couldn't they be outmastering?
Perfect	V-ing perfect
couldn't I have outmastered? couldn't you have outmastered? couldn't she have outmastered? couldn't we have outmastered? couldn't you have outmastered? couldn't they have outmastered?	couldn't I have been outmastering? couldn't you have been outmastering? couldn't she have been outmastering? couldn't we have been outmastering? couldn't you have been outmastering? couldn't they have been outmastering?