English verb conjugation
CAN BANK

Regular verb: bank - banked - banked

Affirmation

Simple form	V-ing form
I can bank you can bank he can bank we can bank you can bank they can bank	I can be banking you can be banking he can be banking we can be banking you can be banking they can be banking
Perfect	V-ing perfect
I can have banked you can have banked he can have banked we can have banked you can have banked they can have banked	I can have been banking you can have been banking he can have been banking we can have been banking you can have been banking they can have been banking

Negation

Simple form	V-ing form
I can't bank you can't bank he can't bank we can't bank you can't bank they can't bank	I can't be banking you can't be banking he can't be banking we can't be banking you can't be banking they can't be banking
Perfect	V-ing perfect
I can't have banked you can't have banked he can't have banked we can't have banked you can't have banked they can't have banked	I can't have been banking you can't have been banking he can't have been banking we can't have been banking you can't have been banking they can't have been banking

Interrogative form

Simple form	V-ing form
can I bank? can you bank? can he bank? can we bank? can you bank? can they bank?	can I be banking? can you be banking? can he be banking? can we be banking? can you be banking? can they be banking?
Perfect	V-ing perfect
can I have banked? can you have banked? can he have banked? can we have banked? can you have banked? can they have banked?	can I have been banking? can you have been banking? can he have been banking? can we have been banking? can you have been banking? can they have been banking?

Interro-negative form

Simple form	V-ing form
can't I bank? can't you bank? can't he bank? can't we bank? can't you bank? can't they bank?	can't I be banking? can't you be banking? can't he be banking? can't we be banking? can't you be banking? can't they be banking?
Perfect	V-ing perfect
can't I have banked? can't you have banked? can't he have banked? can't we have banked? can't you have banked? can't they have banked?	can't I have been banking? can't you have been banking? can't he have been banking? can't we have been banking? can't you have been banking? can't they have been banking?