By

Ondergeskikte voegwoord

  observing

Werkwoord

  these

Bepaler

  subjects

Selfstandige naamwoord

,  Johnson

Eie selfstandige naamwoord

  helped

Werkwoord

  Masters

Eie selfstandige naamwoord

  identify

Werkwoord

  the

Bepaler

  four

Syfer

  stages

Selfstandige naamwoord

  of

Aanneming

  sexual

👉👌

Byvoeglike naamwoord

  response

Selfstandige naamwoord

.

By observing these subjects, Johnson helped Masters identify the four stages of sexual response.

By observing these subjects, Johnson helped Masters identify the four stages of sexual response.