Question

keeping cities clean is essential for keeping their residents healthy.(Rewrite by using 'Infinitive')​

Answer 1

Answer:

we should ever clean to city

Explanation:

Because, we are good citizens of our city

Answer 2

The answer to the asked question is:

Keeping cities clean is essential to keep their residents healthy.

Explanation:

English sentences have two types of verbs.

1. Infinite
2. Non Infinite

To make a sentence with infinitive verb we add a 'to' preceeding the verb.

For eg: to walk, to swim, to love, to eat.