English verb conjugation
CAN PATCH

Regular verb: patch - patched - patched

Affirmation

Simple form	V-ing form
I can patch you can patch she can patch we can patch you can patch they can patch	I can be patching you can be patching she can be patching we can be patching you can be patching they can be patching
Perfect	V-ing perfect
I can have patched you can have patched she can have patched we can have patched you can have patched they can have patched	I can have been patching you can have been patching she can have been patching we can have been patching you can have been patching they can have been patching

Negation

Simple form	V-ing form
I can't patch you can't patch she can't patch we can't patch you can't patch they can't patch	I can't be patching you can't be patching she can't be patching we can't be patching you can't be patching they can't be patching
Perfect	V-ing perfect
I can't have patched you can't have patched she can't have patched we can't have patched you can't have patched they can't have patched	I can't have been patching you can't have been patching she can't have been patching we can't have been patching you can't have been patching they can't have been patching

Interrogative form

Simple form	V-ing form
can I patch? can you patch? can she patch? can we patch? can you patch? can they patch?	can I be patching? can you be patching? can she be patching? can we be patching? can you be patching? can they be patching?
Perfect	V-ing perfect
can I have patched? can you have patched? can she have patched? can we have patched? can you have patched? can they have patched?	can I have been patching? can you have been patching? can she have been patching? can we have been patching? can you have been patching? can they have been patching?

Interro-negative form

Simple form	V-ing form
can't I patch? can't you patch? can't she patch? can't we patch? can't you patch? can't they patch?	can't I be patching? can't you be patching? can't she be patching? can't we be patching? can't you be patching? can't they be patching?
Perfect	V-ing perfect
can't I have patched? can't you have patched? can't she have patched? can't we have patched? can't you have patched? can't they have patched?	can't I have been patching? can't you have been patching? can't she have been patching? can't we have been patching? can't you have been patching? can't they have been patching?