English verb conjugation CAN TREAD

Irregular verb: tread - trod - trod, trodden

Affirmation

Simple form

I can tread
you can tread
he can tread
we can tread
you can tread
they can tread

V-ing form

I can be treading
you can be treading
he can be treading
we can be treading
you can be treading
they can be treading

Perfect

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

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I tread?
can you tread?
can he tread?
can we tread?
can you tread?
can they tread?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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