English verb conjugation
CAN PICKABACK

Regular verb: pickaback - pickabacked - pickabacked

Affirmation

Simple form	V-ing form
I can pickaback you can pickaback he can pickaback we can pickaback you can pickaback they can pickaback	I can be pickabacking you can be pickabacking he can be pickabacking we can be pickabacking you can be pickabacking they can be pickabacking
Perfect	V-ing perfect
I can have pickabacked you can have pickabacked he can have pickabacked we can have pickabacked you can have pickabacked they can have pickabacked	I can have been pickabacking you can have been pickabacking he can have been pickabacking we can have been pickabacking you can have been pickabacking they can have been pickabacking

Negation

Simple form	V-ing form
I cannot pickaback you cannot pickaback he cannot pickaback we cannot pickaback you cannot pickaback they cannot pickaback	I cannot be pickabacking you cannot be pickabacking he cannot be pickabacking we cannot be pickabacking you cannot be pickabacking they cannot be pickabacking
Perfect	V-ing perfect
I cannot have pickabacked you cannot have pickabacked he cannot have pickabacked we cannot have pickabacked you cannot have pickabacked they cannot have pickabacked	I cannot have been pickabacking you cannot have been pickabacking he cannot have been pickabacking we cannot have been pickabacking you cannot have been pickabacking they cannot have been pickabacking

Interrogative form

Simple form	V-ing form
can I pickaback? can you pickaback? can he pickaback? can we pickaback? can you pickaback? can they pickaback?	can I be pickabacking? can you be pickabacking? can he be pickabacking? can we be pickabacking? can you be pickabacking? can they be pickabacking?
Perfect	V-ing perfect
can I have pickabacked? can you have pickabacked? can he have pickabacked? can we have pickabacked? can you have pickabacked? can they have pickabacked?	can I have been pickabacking? can you have been pickabacking? can he have been pickabacking? can we have been pickabacking? can you have been pickabacking? can they have been pickabacking?

Interro-negative form

Simple form	V-ing form
can I not pickaback? can you not pickaback? can he not pickaback? can we not pickaback? can you not pickaback? can they not pickaback?	can I not be pickabacking? can you not be pickabacking? can he not be pickabacking? can we not be pickabacking? can you not be pickabacking? can they not be pickabacking?
Perfect	V-ing perfect
can I not have pickabacked? can you not have pickabacked? can he not have pickabacked? can we not have pickabacked? can you not have pickabacked? can they not have pickabacked?	can I not have been pickabacking? can you not have been pickabacking? can he not have been pickabacking? can we not have been pickabacking? can you not have been pickabacking? can they not have been pickabacking?