Correcting English Grammar: 'Use Earth Fill a Hole'

'Use earth fill a hole' is grammatically incorrect because it lacks a subject. A subject is the person or thing performing the action of the verb. In this sentence, the verb is 'fill,' but we don't know who or what is doing the filling.

To correct the sentence, we need to add a subject. For example:

'We can use earth to fill a hole.'

This sentence now has a subject ('We') and a verb ('use'), making it grammatically correct.