2. The radio…
• Is used for listening to
music and different radio
station.
• Was invented by the
Italian Guillermo Marconi
in 1895.
• Was made of plactic and
different metal.
3. The passive rules…
When a sentence is written, it can either be written in active voice or passive voice.
• Active voice describes a sentence where the subject performs the action stated
by the verb. For example: Tom changed the flat tire.
• Passive voice describes a sentence where the subject is acted upon by the verb.
For example: The tire was changed by Tom.
Here, are the most important rules in the passive
• The places of subject and object in sentence are inter-changed in passive voice.
• 3rd form of verb (past participle) will be used only (as main verb) in passive voice.
• Auxiliary verbs for each tense are given below in the next table.:
6. Active to Pasive Example
• Sue changed the flat tire.
• The flat tire was changed by Sue.
• We are going to watch a movie tonight.
• A movie is going to be watched by us tonight.
• I ran the obstacle course in record time.
• The obstacle course was run by me in record time.
• The crew paved the entire stretch of highway.
• The entire stretch of highway was paved by the crew.
• Mom read the novel in one day.
• The novel was read by Mom in one day.
• The critic wrote a scathing review.
• A scathing review was written by the critic.