English verb conjugation CAN SMOOTHEN

Regular verb: smoothen - smoothened - smoothened

Affirmation

Simple form

I can smoothen
you can smoothen
he can smoothen
we can smoothen
you can smoothen
they can smoothen

V-ing form

I can be smoothening
you can be smoothening
he can be smoothening
we can be smoothening
you can be smoothening
they can be smoothening

Perfect

I can have smoothened
you can have smoothened
he can have smoothened
we can have smoothened
you can have smoothened
they can have smoothened

V-ing perfect

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

Negation

Simple form

I cannot smoothen
you cannot smoothen
he cannot smoothen
we cannot smoothen
you cannot smoothen
they cannot smoothen

V-ing form

I cannot be smoothening
you cannot be smoothening
he cannot be smoothening
we cannot be smoothening
you cannot be smoothening
they cannot be smoothening

Perfect

I cannot have smoothened
you cannot have smoothened
he cannot have smoothened
we cannot have smoothened
you cannot have smoothened
they cannot have smoothened

V-ing perfect

I cannot have been smoothening
you cannot have been smoothening
he cannot have been smoothening
we cannot have been smoothening
you cannot have been smoothening
they cannot have been smoothening

Interrogative form

Simple form

can I smoothen?
can you smoothen?
can he smoothen?
can we smoothen?
can you smoothen?
can they smoothen?

V-ing form

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

Perfect

can I have smoothened?
can you have smoothened?
can he have smoothened?
can we have smoothened?
can you have smoothened?
can they have smoothened?

V-ing perfect

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

Interro-negative form

Simple form

can I not smoothen?
can you not smoothen?
can he not smoothen?
can we not smoothen?
can you not smoothen?
can they not smoothen?

V-ing form

can I not be smoothening?
can you not be smoothening?
can he not be smoothening?
can we not be smoothening?
can you not be smoothening?
can they not be smoothening?

Perfect

can I not have smoothened?
can you not have smoothened?
can he not have smoothened?
can we not have smoothened?
can you not have smoothened?
can they not have smoothened?

V-ing perfect

can I not have been smoothening?
can you not have been smoothening?
can he not have been smoothening?
can we not have been smoothening?
can you not have been smoothening?
can they not have been smoothening?

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