English verb conjugation
CAN TUCK

Regular verb: tuck - tucked - tucked

Affirmation

Simple form	V-ing form
I can tuck you can tuck he can tuck we can tuck you can tuck they can tuck	I can be tucking you can be tucking he can be tucking we can be tucking you can be tucking they can be tucking
Perfect	V-ing perfect
I can have tucked you can have tucked he can have tucked we can have tucked you can have tucked they can have tucked	I can have been tucking you can have been tucking he can have been tucking we can have been tucking you can have been tucking they can have been tucking

Negation

Simple form	V-ing form
I can't tuck you can't tuck he can't tuck we can't tuck you can't tuck they can't tuck	I can't be tucking you can't be tucking he can't be tucking we can't be tucking you can't be tucking they can't be tucking
Perfect	V-ing perfect
I can't have tucked you can't have tucked he can't have tucked we can't have tucked you can't have tucked they can't have tucked	I can't have been tucking you can't have been tucking he can't have been tucking we can't have been tucking you can't have been tucking they can't have been tucking

Interrogative form

Simple form	V-ing form
can I tuck? can you tuck? can he tuck? can we tuck? can you tuck? can they tuck?	can I be tucking? can you be tucking? can he be tucking? can we be tucking? can you be tucking? can they be tucking?
Perfect	V-ing perfect
can I have tucked? can you have tucked? can he have tucked? can we have tucked? can you have tucked? can they have tucked?	can I have been tucking? can you have been tucking? can he have been tucking? can we have been tucking? can you have been tucking? can they have been tucking?

Interro-negative form

Simple form	V-ing form
can't I tuck? can't you tuck? can't he tuck? can't we tuck? can't you tuck? can't they tuck?	can't I be tucking? can't you be tucking? can't he be tucking? can't we be tucking? can't you be tucking? can't they be tucking?
Perfect	V-ing perfect
can't I have tucked? can't you have tucked? can't he have tucked? can't we have tucked? can't you have tucked? can't they have tucked?	can't I have been tucking? can't you have been tucking? can't he have been tucking? can't we have been tucking? can't you have been tucking? can't they have been tucking?