English verb conjugation COULD INFECT

Regular verb: infect - infected - infected

Affirmation

Simple form

I could infect
you could infect
he could infect
we could infect
you could infect
they could infect

V-ing form

I could be infecting
you could be infecting
he could be infecting
we could be infecting
you could be infecting
they could be infecting

Perfect

I could have infected
you could have infected
he could have infected
we could have infected
you could have infected
they could have infected

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I infect?
could you infect?
could he infect?
could we infect?
could you infect?
could they infect?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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