English verb conjugation COULD PATTERN

Regular verb: pattern - patterned - patterned

Affirmation

Simple form

I could pattern
you could pattern
he could pattern
we could pattern
you could pattern
they could pattern

V-ing form

I could be patterning
you could be patterning
he could be patterning
we could be patterning
you could be patterning
they could be patterning

Perfect

I could have patterned
you could have patterned
he could have patterned
we could have patterned
you could have patterned
they could have patterned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I pattern?
could you pattern?
could he pattern?
could we pattern?
could you pattern?
could they pattern?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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