English verb conjugation COULD LECTURE

Regular verb: lecture - lectured - lectured

Affirmation

Simple form

I could lecture
you could lecture
he could lecture
we could lecture
you could lecture
they could lecture

V-ing form

I could be lecturing
you could be lecturing
he could be lecturing
we could be lecturing
you could be lecturing
they could be lecturing

Perfect

I could have lectured
you could have lectured
he could have lectured
we could have lectured
you could have lectured
they could have lectured

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I lecture?
could you lecture?
could he lecture?
could we lecture?
could you lecture?
could they lecture?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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