English verb conjugation
COULD GROUT

Regular verb: grout - grouted - grouted

Affirmation

Simple form	V-ing form
I could grout you could grout she could grout we could grout you could grout they could grout	I could be grouting you could be grouting she could be grouting we could be grouting you could be grouting they could be grouting
Perfect	V-ing perfect
I could have grouted you could have grouted she could have grouted we could have grouted you could have grouted they could have grouted	I could have been grouting you could have been grouting she could have been grouting we could have been grouting you could have been grouting they could have been grouting

Negation

Simple form	V-ing form
I couldn't grout you couldn't grout she couldn't grout we couldn't grout you couldn't grout they couldn't grout	I couldn't be grouting you couldn't be grouting she couldn't be grouting we couldn't be grouting you couldn't be grouting they couldn't be grouting
Perfect	V-ing perfect
I couldn't have grouted you couldn't have grouted she couldn't have grouted we couldn't have grouted you couldn't have grouted they couldn't have grouted	I couldn't have been grouting you couldn't have been grouting she couldn't have been grouting we couldn't have been grouting you couldn't have been grouting they couldn't have been grouting

Interrogative form

Simple form	V-ing form
could I grout? could you grout? could she grout? could we grout? could you grout? could they grout?	could I be grouting? could you be grouting? could she be grouting? could we be grouting? could you be grouting? could they be grouting?
Perfect	V-ing perfect
could I have grouted? could you have grouted? could she have grouted? could we have grouted? could you have grouted? could they have grouted?	could I have been grouting? could you have been grouting? could she have been grouting? could we have been grouting? could you have been grouting? could they have been grouting?

Interro-negative form

Simple form	V-ing form
couldn't I grout? couldn't you grout? couldn't she grout? couldn't we grout? couldn't you grout? couldn't they grout?	couldn't I be grouting? couldn't you be grouting? couldn't she be grouting? couldn't we be grouting? couldn't you be grouting? couldn't they be grouting?
Perfect	V-ing perfect
couldn't I have grouted? couldn't you have grouted? couldn't she have grouted? couldn't we have grouted? couldn't you have grouted? couldn't they have grouted?	couldn't I have been grouting? couldn't you have been grouting? couldn't she have been grouting? couldn't we have been grouting? couldn't you have been grouting? couldn't they have been grouting?