English verb conjugation
CAN GROUT

Regular verb: grout - grouted - grouted

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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