This

Pronome

  is

Auxiliar

  a

Determinador

  very

Adverbio

  effective

Adxectivo

  method

Substantivo

  of

Conxunción subordinante

  solving

Verbo

  these

Determinador

  puzzles

Substantivo

.

This is a very effective method of solving these puzzles.

This is a very effective method of solving these puzzles.