She thinks washing clothes is interesting.
= She thinks (that) it is interesting to wash clothes.
= She thinks (that) it is interesting washing clothes.
= She thinks it interesting to wash clothes.
= She thinks washing clothes interesting.
She thinks washing clothes is interesting.
= She thinks (that) it is interesting to wash clothes.
= She thinks (that) it is interesting washing clothes.
= She thinks it interesting to wash clothes.
= She thinks washing clothes interesting.