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female gender | Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation COULD THICKEN

Regular verb: thicken - thickened - thickened


Affirmation

Simple form
I could thicken
you could thicken
he could thicken
we could thicken
you could thicken
they could thicken
V-ing form
I could be thickening
you could be thickening
he could be thickening
we could be thickening
you could be thickening
they could be thickening
Perfect
I could have thickened
you could have thickened
he could have thickened
we could have thickened
you could have thickened
they could have thickened
V-ing perfect
I could have been thickening
you could have been thickening
he could have been thickening
we could have been thickening
you could have been thickening
they could have been thickening

Negation

Simple form
I couldn't thicken
you couldn't thicken
he couldn't thicken
we couldn't thicken
you couldn't thicken
they couldn't thicken
V-ing form
I couldn't be thickening
you couldn't be thickening
he couldn't be thickening
we couldn't be thickening
you couldn't be thickening
they couldn't be thickening
Perfect
I couldn't have thickened
you couldn't have thickened
he couldn't have thickened
we couldn't have thickened
you couldn't have thickened
they couldn't have thickened
V-ing perfect
I couldn't have been thickening
you couldn't have been thickening
he couldn't have been thickening
we couldn't have been thickening
you couldn't have been thickening
they couldn't have been thickening

Interrogative form

Simple form
could I thicken?
could you thicken?
could he thicken?
could we thicken?
could you thicken?
could they thicken?
V-ing form
could I be thickening?
could you be thickening?
could he be thickening?
could we be thickening?
could you be thickening?
could they be thickening?
Perfect
could I have thickened?
could you have thickened?
could he have thickened?
could we have thickened?
could you have thickened?
could they have thickened?
V-ing perfect
could I have been thickening?
could you have been thickening?
could he have been thickening?
could we have been thickening?
could you have been thickening?
could they have been thickening?

Interro-negative form

Simple form
couldn't I thicken?
couldn't you thicken?
couldn't he thicken?
couldn't we thicken?
couldn't you thicken?
couldn't they thicken?
V-ing form
couldn't I be thickening?
couldn't you be thickening?
couldn't he be thickening?
couldn't we be thickening?
couldn't you be thickening?
couldn't they be thickening?
Perfect
couldn't I have thickened?
couldn't you have thickened?
couldn't he have thickened?
couldn't we have thickened?
couldn't you have thickened?
couldn't they have thickened?
V-ing perfect
couldn't I have been thickening?
couldn't you have been thickening?
couldn't he have been thickening?
couldn't we have been thickening?
couldn't you have been thickening?
couldn't they have been thickening?