English verb conjugation COULD FRUSTRATE

Regular verb: frustrate - frustrated - frustrated

Affirmation

Simple form

I could frustrate
you could frustrate
he could frustrate
we could frustrate
you could frustrate
they could frustrate

V-ing form

I could be frustrating
you could be frustrating
he could be frustrating
we could be frustrating
you could be frustrating
they could be frustrating

Perfect

I could have frustrated
you could have frustrated
he could have frustrated
we could have frustrated
you could have frustrated
they could have frustrated

V-ing perfect

I could have been frustrating
you could have been frustrating
he could have been frustrating
we could have been frustrating
you could have been frustrating
they could have been frustrating

Negation

Simple form

I couldn't frustrate
you couldn't frustrate
he couldn't frustrate
we couldn't frustrate
you couldn't frustrate
they couldn't frustrate

V-ing form

I couldn't be frustrating
you couldn't be frustrating
he couldn't be frustrating
we couldn't be frustrating
you couldn't be frustrating
they couldn't be frustrating

Perfect

I couldn't have frustrated
you couldn't have frustrated
he couldn't have frustrated
we couldn't have frustrated
you couldn't have frustrated
they couldn't have frustrated

V-ing perfect

I couldn't have been frustrating
you couldn't have been frustrating
he couldn't have been frustrating
we couldn't have been frustrating
you couldn't have been frustrating
they couldn't have been frustrating

Interrogative form

Simple form

could I frustrate?
could you frustrate?
could he frustrate?
could we frustrate?
could you frustrate?
could they frustrate?

V-ing form

could I be frustrating?
could you be frustrating?
could he be frustrating?
could we be frustrating?
could you be frustrating?
could they be frustrating?

Perfect

could I have frustrated?
could you have frustrated?
could he have frustrated?
could we have frustrated?
could you have frustrated?
could they have frustrated?

V-ing perfect

could I have been frustrating?
could you have been frustrating?
could he have been frustrating?
could we have been frustrating?
could you have been frustrating?
could they have been frustrating?

Interro-negative form

Simple form

couldn't I frustrate?
couldn't you frustrate?
couldn't he frustrate?
couldn't we frustrate?
couldn't you frustrate?
couldn't they frustrate?

V-ing form

couldn't I be frustrating?
couldn't you be frustrating?
couldn't he be frustrating?
couldn't we be frustrating?
couldn't you be frustrating?
couldn't they be frustrating?

Perfect

couldn't I have frustrated?
couldn't you have frustrated?
couldn't he have frustrated?
couldn't we have frustrated?
couldn't you have frustrated?
couldn't they have frustrated?

V-ing perfect

couldn't I have been frustrating?
couldn't you have been frustrating?
couldn't he have been frustrating?
couldn't we have been frustrating?
couldn't you have been frustrating?
couldn't they have been frustrating?

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