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