English verb conjugation
CAN FIX

Regular verb: fix - fixed - fixed

Affirmation

Simple form	V-ing form
I can fix you can fix he can fix we can fix you can fix they can fix	I can be fixing you can be fixing he can be fixing we can be fixing you can be fixing they can be fixing
Perfect	V-ing perfect
I can have fixed you can have fixed he can have fixed we can have fixed you can have fixed they can have fixed	I can have been fixing you can have been fixing he can have been fixing we can have been fixing you can have been fixing they can have been fixing

Negation

Simple form	V-ing form
I can't fix you can't fix he can't fix we can't fix you can't fix they can't fix	I can't be fixing you can't be fixing he can't be fixing we can't be fixing you can't be fixing they can't be fixing
Perfect	V-ing perfect
I can't have fixed you can't have fixed he can't have fixed we can't have fixed you can't have fixed they can't have fixed	I can't have been fixing you can't have been fixing he can't have been fixing we can't have been fixing you can't have been fixing they can't have been fixing

Interrogative form

Simple form	V-ing form
can I fix? can you fix? can he fix? can we fix? can you fix? can they fix?	can I be fixing? can you be fixing? can he be fixing? can we be fixing? can you be fixing? can they be fixing?
Perfect	V-ing perfect
can I have fixed? can you have fixed? can he have fixed? can we have fixed? can you have fixed? can they have fixed?	can I have been fixing? can you have been fixing? can he have been fixing? can we have been fixing? can you have been fixing? can they have been fixing?

Interro-negative form

Simple form	V-ing form
can't I fix? can't you fix? can't he fix? can't we fix? can't you fix? can't they fix?	can't I be fixing? can't you be fixing? can't he be fixing? can't we be fixing? can't you be fixing? can't they be fixing?
Perfect	V-ing perfect
can't I have fixed? can't you have fixed? can't he have fixed? can't we have fixed? can't you have fixed? can't they have fixed?	can't I have been fixing? can't you have been fixing? can't he have been fixing? can't we have been fixing? can't you have been fixing? can't they have been fixing?