English verb conjugation
CAN FRUSTRATE

Regular verb: frustrate - frustrated - frustrated

Affirmation

Simple form	V-ing form
I can frustrate you can frustrate he can frustrate we can frustrate you can frustrate they can frustrate	I can be frustrating you can be frustrating he can be frustrating we can be frustrating you can be frustrating they can be frustrating
Perfect	V-ing perfect
I can have frustrated you can have frustrated he can have frustrated we can have frustrated you can have frustrated they can have frustrated	I can have been frustrating you can have been frustrating he can have been frustrating we can have been frustrating you can have been frustrating they can have been frustrating

Negation

Simple form	V-ing form
I can't frustrate you can't frustrate he can't frustrate we can't frustrate you can't frustrate they can't frustrate	I can't be frustrating you can't be frustrating he can't be frustrating we can't be frustrating you can't be frustrating they can't be frustrating
Perfect	V-ing perfect
I can't have frustrated you can't have frustrated he can't have frustrated we can't have frustrated you can't have frustrated they can't have frustrated	I can't have been frustrating you can't have been frustrating he can't have been frustrating we can't have been frustrating you can't have been frustrating they can't have been frustrating

Interrogative form

Simple form	V-ing form
can I frustrate? can you frustrate? can he frustrate? can we frustrate? can you frustrate? can they frustrate?	can I be frustrating? can you be frustrating? can he be frustrating? can we be frustrating? can you be frustrating? can they be frustrating?
Perfect	V-ing perfect
can I have frustrated? can you have frustrated? can he have frustrated? can we have frustrated? can you have frustrated? can they have frustrated?	can I have been frustrating? can you have been frustrating? can he have been frustrating? can we have been frustrating? can you have been frustrating? can they have been frustrating?

Interro-negative form

Simple form	V-ing form
can't I frustrate? can't you frustrate? can't he frustrate? can't we frustrate? can't you frustrate? can't they frustrate?	can't I be frustrating? can't you be frustrating? can't he be frustrating? can't we be frustrating? can't you be frustrating? can't they be frustrating?
Perfect	V-ing perfect
can't I have frustrated? can't you have frustrated? can't he have frustrated? can't we have frustrated? can't you have frustrated? can't they have frustrated?	can't I have been frustrating? can't you have been frustrating? can't he have been frustrating? can't we have been frustrating? can't you have been frustrating? can't they have been frustrating?