Kalimat aktif adalah kalimat yang Subyeknya melakukan pekerjaan :
Rudi sent an email to his friend yesterday.
Kalimat pasif adalah kalimat yang Subyeknya dikenai pekerjaan ;
An email was sent to his friend by Rudi yesterday.
Pada contoh di atas :
- an email yang pada kalimat pasif adalah obyek, pada kalimat pasif menjadi subyek.
- kata kerja sent pada kalimat aktif, kini berubah menjadi was sent
- kata Rudi yang pada kalimat aktif adalah subyek, kini menjadi bentuk by phrase.
- Aktif : The studens help me
- Pasif : I am helped by the students
- Aktif : The voice shocks her
- Pasif : She is shocked by the voice
Ada beberapa bentuk tense yang digunakan dalam bentuk pasif :
Simple present tense
- She is taught by the teacher
- Donny is helped by the doctor
- The letters are wrote by the writer
- The hair is cut by the hairdresser
- The homework is done by the student
- She was taught by the teacher
- Donny was helped by the doctor
- The letters were wrote by the writer
- The hair was cut by the hairdresser
- The homework was done by the student
- She has been taught by the teacher
- Donny has been helped by the doctor
- The letters have been wrote by the writer
- The hair has been cut by the hairdresser
- The homework has been done by the student
- She will be/ is going to be taught by the teacher
- Donny will helped / is going to behelped by the doctor
- The letters will be wrote / are going to be wrote by the writer
- The hair will be cut / is going to be cut by the hairdresser
- The homework will be done / is going to be done by the student
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