English verb conjugation COULD THEORISE

Regular verb: theorise - theorised - theorised

Affirmation

Simple form

I could theorise
you could theorise
he could theorise
we could theorise
you could theorise
they could theorise

V-ing form

I could be theorising
you could be theorising
he could be theorising
we could be theorising
you could be theorising
they could be theorising

Perfect

I could have theorised
you could have theorised
he could have theorised
we could have theorised
you could have theorised
they could have theorised

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I theorise?
could you theorise?
could he theorise?
could we theorise?
could you theorise?
could they theorise?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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