Conjugaison du verbe anglais COULD COMPUTE

I could compute
you could compute
he could compute
we could compute
you could compute
they could compute

I could be computing
you could be computing
he could be computing
we could be computing
you could be computing
they could be computing

I could have computed
you could have computed
he could have computed
we could have computed
you could have computed
they could have computed

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

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

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

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

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

could I compute?
could you compute?
could he compute?
could we compute?
could you compute?
could they compute?

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

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

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

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

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

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

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