English verb conjugation
CAN CRUTCH

Regular verb: crutch - crutched - crutched

Affirmation

Simple form	V-ing form
I can crutch you can crutch he can crutch we can crutch you can crutch they can crutch	I can be crutching you can be crutching he can be crutching we can be crutching you can be crutching they can be crutching
Perfect	V-ing perfect
I can have crutched you can have crutched he can have crutched we can have crutched you can have crutched they can have crutched	I can have been crutching you can have been crutching he can have been crutching we can have been crutching you can have been crutching they can have been crutching

Negation

Simple form	V-ing form
I can't crutch you can't crutch he can't crutch we can't crutch you can't crutch they can't crutch	I can't be crutching you can't be crutching he can't be crutching we can't be crutching you can't be crutching they can't be crutching
Perfect	V-ing perfect
I can't have crutched you can't have crutched he can't have crutched we can't have crutched you can't have crutched they can't have crutched	I can't have been crutching you can't have been crutching he can't have been crutching we can't have been crutching you can't have been crutching they can't have been crutching

Interrogative form

Simple form	V-ing form
can I crutch? can you crutch? can he crutch? can we crutch? can you crutch? can they crutch?	can I be crutching? can you be crutching? can he be crutching? can we be crutching? can you be crutching? can they be crutching?
Perfect	V-ing perfect
can I have crutched? can you have crutched? can he have crutched? can we have crutched? can you have crutched? can they have crutched?	can I have been crutching? can you have been crutching? can he have been crutching? can we have been crutching? can you have been crutching? can they have been crutching?

Interro-negative form

Simple form	V-ing form
can't I crutch? can't you crutch? can't he crutch? can't we crutch? can't you crutch? can't they crutch?	can't I be crutching? can't you be crutching? can't he be crutching? can't we be crutching? can't you be crutching? can't they be crutching?
Perfect	V-ing perfect
can't I have crutched? can't you have crutched? can't he have crutched? can't we have crutched? can't you have crutched? can't they have crutched?	can't I have been crutching? can't you have been crutching? can't he have been crutching? can't we have been crutching? can't you have been crutching? can't they have been crutching?