Re-write the sentences opening brackets and putting the verbs either in the Active or Passive Voice. Then make them negative and interrogative:

1. Shortness of breath (to cause) by physical exertion.

2. An accelerated heartbeat (to describe) as palpitation by patients.

3. Heart size (to measure) by percussion.

4. The murmurs in the heart (not to hear) by the doctor during yesterday's examination.

5. Fever (to know) as pyrexia.

6. Patient often (to refer) to microbes as germs or bugs.

7. He (to admit) to the hospital with flu-type symptoms.

8. Tumours (to invade) tissues and then (to spread) to distant parts of the body.

1. Shortness of breath is caused by physical exertion.

Is shortness of breath caused ... ?

Shortness of breath isn't caused ...

2. An accelerated heartbeat is described as palpitation by patients.

Is an accelerated heartbeat described ... ?

An accelerated heartbeat isn't described ...

3. Heart size is measured by percussion. Heart size isn't measured by percussion. Is heart size measured by percussion?

4. The murmurs in the heart weren't heard by the doctor during yesterday’s examination.

Were the murmurs in the heart heard by the doctor during yesterday’s examination?

5. Fever is known as pyrexia.

Fever isn't known as pyrexia.

Is fever known as pyrexia?

6. A patient often refers to microbes as germs or bugs. A p atient doesn't often refer to microbes as germs or bugs. Does a patient often refer to microbes as germs or bugs?

7. He is admitted to the hospital with flu-type symptoms.

He isn't admitted to the hospital with flu-type symptoms. Is he admitted to the hospital with flu-type symptoms?

8. Tumours invade tissues and then spread to distant parts of the body. Tumours don't invade tissues and then don't spread to distant parts of the body. Do tumours invade tissues and then spread to distant parts of the body?