English verb conjugation COULD TREAD

Irregular verb: tread - trod - trod, trodden

Affirmation

Simple form

I could tread
you could tread
he could tread
we could tread
you could tread
they could tread

V-ing form

I could be treading
you could be treading
he could be treading
we could be treading
you could be treading
they could be treading

Perfect

I could have trod, trodden
you could have trod, trodden
he could have trod, trodden
we could have trod, trodden
you could have trod, trodden
they could have trod, trodden

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

I couldn't have trod, trodden
you couldn't have trod, trodden
he couldn't have trod, trodden
we couldn't have trod, trodden
you couldn't have trod, trodden
they couldn't have trod, trodden

V-ing perfect

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

Interrogative form

Simple form

could I tread?
could you tread?
could he tread?
could we tread?
could you tread?
could they tread?

V-ing form

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

Perfect

could I have trod, trodden?
could you have trod, trodden?
could he have trod, trodden?
could we have trod, trodden?
could you have trod, trodden?
could they have trod, trodden?

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

couldn't I have trod, trodden?
couldn't you have trod, trodden?
couldn't he have trod, trodden?
couldn't we have trod, trodden?
couldn't you have trod, trodden?
couldn't they have trod, trodden?

V-ing perfect

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

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