English verb conjugation COULD MEMORIZE

Regular verb: memorize - memorized - memorized

Affirmation

Simple form

I could memorize
you could memorize
he could memorize
we could memorize
you could memorize
they could memorize

V-ing form

I could be memorizing
you could be memorizing
he could be memorizing
we could be memorizing
you could be memorizing
they could be memorizing

Perfect

I could have memorized
you could have memorized
he could have memorized
we could have memorized
you could have memorized
they could have memorized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I memorize?
could you memorize?
could he memorize?
could we memorize?
could you memorize?
could they memorize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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