English verb conjugation COULD WELD

Regular verb: weld - welded - welded


Affirmation

Simple form

I could weld
you could weld
he could weld
we could weld
you could weld
they could weld

V-ing form

I could be welding
you could be welding
he could be welding
we could be welding
you could be welding
they could be welding

Perfect

I could have welded
you could have welded
he could have welded
we could have welded
you could have welded
they could have welded

V-ing perfect

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

Negation

Simple form

I could not weld
you could not weld
he could not weld
we could not weld
you could not weld
they could not weld

V-ing form

I could not be welding
you could not be welding
he could not be welding
we could not be welding
you could not be welding
they could not be welding

Perfect

I could not have welded
you could not have welded
he could not have welded
we could not have welded
you could not have welded
they could not have welded

V-ing perfect

I could not have been welding
you could not have been welding
he could not have been welding
we could not have been welding
you could not have been welding
they could not have been welding

Interrogative form

Simple form

could I weld?
could you weld?
could he weld?
could we weld?
could you weld?
could they weld?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not weld?
could you not weld?
could he not weld?
could we not weld?
could you not weld?
could they not weld?

V-ing form

could I not be welding?
could you not be welding?
could he not be welding?
could we not be welding?
could you not be welding?
could they not be welding?

Perfect

could I not have welded?
could you not have welded?
could he not have welded?
could we not have welded?
could you not have welded?
could they not have welded?

V-ing perfect

could I not have been welding?
could you not have been welding?
could he not have been welding?
could we not have been welding?
could you not have been welding?
could they not have been welding?