The Conjugator
English verb conjugation
COULD EXPLAIN

Regular verb: explain - explained - explained

Affirmation

Simple form

V-ing form

I could explain
you could explain
he could explain
we could explain
you could explain
they could explain
I could be explaining
you could be explaining
he could be explaining
we could be explaining
you could be explaining
they could be explaining

Perfect

V-ing perfect

I could have explained
you could have explained
he could have explained
we could have explained
you could have explained
they could have explained
I could have been explaining
you could have been explaining
he could have been explaining
we could have been explaining
you could have been explaining
they could have been explaining

Negation

Simple form

V-ing form

I couldn't explain
you couldn't explain
he couldn't explain
we couldn't explain
you couldn't explain
they couldn't explain
I couldn't be explaining
you couldn't be explaining
he couldn't be explaining
we couldn't be explaining
you couldn't be explaining
they couldn't be explaining

Perfect

V-ing perfect

I couldn't have explained
you couldn't have explained
he couldn't have explained
we couldn't have explained
you couldn't have explained
they couldn't have explained
I couldn't have been explaining
you couldn't have been explaining
he couldn't have been explaining
we couldn't have been explaining
you couldn't have been explaining
they couldn't have been explaining

Interrogative form

Simple form

V-ing form

could I explain?
could you explain?
could he explain?
could we explain?
could you explain?
could they explain?
could I be explaining?
could you be explaining?
could he be explaining?
could we be explaining?
could you be explaining?
could they be explaining?

Perfect

V-ing perfect

could I have explained?
could you have explained?
could he have explained?
could we have explained?
could you have explained?
could they have explained?
could I have been explaining?
could you have been explaining?
could he have been explaining?
could we have been explaining?
could you have been explaining?
could they have been explaining?

Interro-negative form

Simple form

V-ing form

couldn't I explain?
couldn't you explain?
couldn't he explain?
couldn't we explain?
couldn't you explain?
couldn't they explain?
couldn't I be explaining?
couldn't you be explaining?
couldn't he be explaining?
couldn't we be explaining?
couldn't you be explaining?
couldn't they be explaining?

Perfect

V-ing perfect

couldn't I have explained?
couldn't you have explained?
couldn't he have explained?
couldn't we have explained?
couldn't you have explained?
couldn't they have explained?
couldn't I have been explaining?
couldn't you have been explaining?
couldn't he have been explaining?
couldn't we have been explaining?
couldn't you have been explaining?
couldn't they have been explaining?