English verb conjugation COULD SPARK

Regular verb: spark - sparked - sparked

Affirmation

Simple form

I could spark
you could spark
she could spark
we could spark
you could spark
they could spark

V-ing form

I could be sparking
you could be sparking
she could be sparking
we could be sparking
you could be sparking
they could be sparking

Perfect

I could have sparked
you could have sparked
she could have sparked
we could have sparked
you could have sparked
they could have sparked

V-ing perfect

I could have been sparking
you could have been sparking
she could have been sparking
we could have been sparking
you could have been sparking
they could have been sparking

Negation

Simple form

I couldn't spark
you couldn't spark
she couldn't spark
we couldn't spark
you couldn't spark
they couldn't spark

V-ing form

I couldn't be sparking
you couldn't be sparking
she couldn't be sparking
we couldn't be sparking
you couldn't be sparking
they couldn't be sparking

Perfect

I couldn't have sparked
you couldn't have sparked
she couldn't have sparked
we couldn't have sparked
you couldn't have sparked
they couldn't have sparked

V-ing perfect

I couldn't have been sparking
you couldn't have been sparking
she couldn't have been sparking
we couldn't have been sparking
you couldn't have been sparking
they couldn't have been sparking

Interrogative form

Simple form

could I spark?
could you spark?
could she spark?
could we spark?
could you spark?
could they spark?

V-ing form

could I be sparking?
could you be sparking?
could she be sparking?
could we be sparking?
could you be sparking?
could they be sparking?

Perfect

could I have sparked?
could you have sparked?
could she have sparked?
could we have sparked?
could you have sparked?
could they have sparked?

V-ing perfect

could I have been sparking?
could you have been sparking?
could she have been sparking?
could we have been sparking?
could you have been sparking?
could they have been sparking?

Interro-negative form

Simple form

couldn't I spark?
couldn't you spark?
couldn't she spark?
couldn't we spark?
couldn't you spark?
couldn't they spark?

V-ing form

couldn't I be sparking?
couldn't you be sparking?
couldn't she be sparking?
couldn't we be sparking?
couldn't you be sparking?
couldn't they be sparking?

Perfect

couldn't I have sparked?
couldn't you have sparked?
couldn't she have sparked?
couldn't we have sparked?
couldn't you have sparked?
couldn't they have sparked?

V-ing perfect

couldn't I have been sparking?
couldn't you have been sparking?
couldn't she have been sparking?
couldn't we have been sparking?
couldn't you have been sparking?
couldn't they have been sparking?

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