English verb conjugation COULD TIN

Regular verb: tin - tinned - tinned

Affirmation

Simple form

I could tin
you could tin
she could tin
we could tin
you could tin
they could tin

V-ing form

I could be tinning
you could be tinning
she could be tinning
we could be tinning
you could be tinning
they could be tinning

Perfect

I could have tinned
you could have tinned
she could have tinned
we could have tinned
you could have tinned
they could have tinned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tin?
could you tin?
could she tin?
could we tin?
could you tin?
could they tin?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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