Question

i have a lot of work to do.
voice change​

Answer 1

A lot of work has to be done(by me).

In some cases the subject is allowed to be omitted.

hope this helps

cheers ✌️✌️

Answer 2

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• A lot of work is to be done by me.

______________________

In the following sentence helping verb ‘has’ is used and as such it belongs to present perfect tense.There is a change of tense from AV to PV. Hence it is in correct

• A lot of work has to be done by me. ( Incorrect)