Question

4. The Delhi metro made commuting a comfortable experience for the people.

5.Dr Laennec of France has invented the stethoscope in 1816.

6.The invention of the stethoscope has actually happened accidentally.

7. The state government built 7 new fly-overs recently to tackle the increasing
traffic. The officials hope these will save at least 30 minutes of travel time.​
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Some verbs in the sentences given below have been used in wrong forms. Underline them and write the correct forms.

Answer 1

Answer:

The Delhi metro made commuting a comfortable experience for the people.

The Delhi metro made commutation a comfortable experience for the people.

5.Dr Laennec of France has invented the stethoscope in 1816.

Dr Laennec of France had invented the stethoscope in 1816.

6.The invention of the stethoscope has actually happened accidentally.

.The invention of the stethoscope had actually happened accidentally.

Answer 2

Explanation:

where is 7 one ???????????????????????