English verb conjugation COULD DIFFUSE

Regular verb: diffuse - diffused - diffused

Affirmation

Simple form

I could diffuse
you could diffuse
he could diffuse
we could diffuse
you could diffuse
they could diffuse

V-ing form

I could be diffusing
you could be diffusing
he could be diffusing
we could be diffusing
you could be diffusing
they could be diffusing

Perfect

I could have diffused
you could have diffused
he could have diffused
we could have diffused
you could have diffused
they could have diffused

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I diffuse?
could you diffuse?
could he diffuse?
could we diffuse?
could you diffuse?
could they diffuse?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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