How should this sentence be phrased?
Please, do also visit this house.
Please also visit this house.
It seems like that the answer might be dependening on the actual context, however, in that case, which context does each of these sentences belong to?
Best Answer
Neither of your examples sound natural. Adding "do" before the verb sounds rather archaic and formal. Putting "also" before the verb makes it unclear what "also" modifies and splits the verb from "please", which sounds unnatural. If you mean "visit this house in addition to another one", I would say, "Please visit this house also." On the other hand, if you mean "visit this house in addition to doing another activity", I would say, "Also, please visit this house." Strictly speaking, however, either of these sentences would be correct in either situation (and the former sounds a little better).
The main problem with your original sentences (besides the "do") was splitting "please" and the verb.