English verb conjugation
CAN HANDLE

Regular verb: handle - handled - handled

Affirmation

Simple form	V-ing form
I can handle you can handle she can handle we can handle you can handle they can handle	I can be handling you can be handling she can be handling we can be handling you can be handling they can be handling
Perfect	V-ing perfect
I can have handled you can have handled she can have handled we can have handled you can have handled they can have handled	I can have been handling you can have been handling she can have been handling we can have been handling you can have been handling they can have been handling

Negation

Simple form	V-ing form
I can't handle you can't handle she can't handle we can't handle you can't handle they can't handle	I can't be handling you can't be handling she can't be handling we can't be handling you can't be handling they can't be handling
Perfect	V-ing perfect
I can't have handled you can't have handled she can't have handled we can't have handled you can't have handled they can't have handled	I can't have been handling you can't have been handling she can't have been handling we can't have been handling you can't have been handling they can't have been handling

Interrogative form

Simple form	V-ing form
can I handle? can you handle? can she handle? can we handle? can you handle? can they handle?	can I be handling? can you be handling? can she be handling? can we be handling? can you be handling? can they be handling?
Perfect	V-ing perfect
can I have handled? can you have handled? can she have handled? can we have handled? can you have handled? can they have handled?	can I have been handling? can you have been handling? can she have been handling? can we have been handling? can you have been handling? can they have been handling?

Interro-negative form

Simple form	V-ing form
can't I handle? can't you handle? can't she handle? can't we handle? can't you handle? can't they handle?	can't I be handling? can't you be handling? can't she be handling? can't we be handling? can't you be handling? can't they be handling?
Perfect	V-ing perfect
can't I have handled? can't you have handled? can't she have handled? can't we have handled? can't you have handled? can't they have handled?	can't I have been handling? can't you have been handling? can't she have been handling? can't we have been handling? can't you have been handling? can't they have been handling?