English verb conjugation COULD SUMMARIZE

Regular verb: summarize - summarized - summarized

Affirmation

Simple form

I could summarize
you could summarize
he could summarize
we could summarize
you could summarize
they could summarize

V-ing form

I could be summarizing
you could be summarizing
he could be summarizing
we could be summarizing
you could be summarizing
they could be summarizing

Perfect

I could have summarized
you could have summarized
he could have summarized
we could have summarized
you could have summarized
they could have summarized

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I summarize?
could you summarize?
could he summarize?
could we summarize?
could you summarize?
could they summarize?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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