English verb conjugation
CAN RUCK

Regular verb: ruck - rucked - rucked

Affirmation

Simple form	V-ing form
I can ruck you can ruck he can ruck we can ruck you can ruck they can ruck	I can be rucking you can be rucking he can be rucking we can be rucking you can be rucking they can be rucking
Perfect	V-ing perfect
I can have rucked you can have rucked he can have rucked we can have rucked you can have rucked they can have rucked	I can have been rucking you can have been rucking he can have been rucking we can have been rucking you can have been rucking they can have been rucking

Negation

Simple form	V-ing form
I can't ruck you can't ruck he can't ruck we can't ruck you can't ruck they can't ruck	I can't be rucking you can't be rucking he can't be rucking we can't be rucking you can't be rucking they can't be rucking
Perfect	V-ing perfect
I can't have rucked you can't have rucked he can't have rucked we can't have rucked you can't have rucked they can't have rucked	I can't have been rucking you can't have been rucking he can't have been rucking we can't have been rucking you can't have been rucking they can't have been rucking

Interrogative form

Simple form	V-ing form
can I ruck? can you ruck? can he ruck? can we ruck? can you ruck? can they ruck?	can I be rucking? can you be rucking? can he be rucking? can we be rucking? can you be rucking? can they be rucking?
Perfect	V-ing perfect
can I have rucked? can you have rucked? can he have rucked? can we have rucked? can you have rucked? can they have rucked?	can I have been rucking? can you have been rucking? can he have been rucking? can we have been rucking? can you have been rucking? can they have been rucking?

Interro-negative form

Simple form	V-ing form
can't I ruck? can't you ruck? can't he ruck? can't we ruck? can't you ruck? can't they ruck?	can't I be rucking? can't you be rucking? can't he be rucking? can't we be rucking? can't you be rucking? can't they be rucking?
Perfect	V-ing perfect
can't I have rucked? can't you have rucked? can't he have rucked? can't we have rucked? can't you have rucked? can't they have rucked?	can't I have been rucking? can't you have been rucking? can't he have been rucking? can't we have been rucking? can't you have been rucking? can't they have been rucking?