The word in capital letters has the emphatic stress. Choose the option to which the given stress relates. My mother is expected to be back by this time TOMO...

In the given statement, the word with the emphatic stress is "TOMORROW". This means that the emphasis is on the time when the mother is expected to be back.

To test the emphatic stress, we usually form a question that targets the emphasized word, expecting an answer that confirms or clarifies it. The question should be structured in such a way that the response can be a confirmation of the emphasis.

Let's analyze the options provided:

• : "Who is expected back by this time tomorrow?" - This question emphasizes "who" is expected back. It does not emphasize the time "tomorrow" and hence, doesn't confirm the emphasis.
• : "Is my mother expected back by this time next month?" - This question contrasts "tomorrow" with "next month", allowing the answer to emphasize "TOMORROW" as a confirmation. It directly addresses the time aspect, making it the correct choice to which the emphatic stress on "TOMORROW" relates.
• : "Is my mother assumed back by this time tomorrow?" - This question contrasts "expected" with "assumed", focusing on the nature of the expectation and not on the time. Hence, it doesn't relate to the emphatic stress.
• : "Is my mother expected gone by this time tomorrow?" - This question contrasts "expected to be back" with "expected gone", again not addressing the timing of the return. Therefore, it doesn't relate to the emphatic stress.

Thus, the answer is that the emphatic stress on "TOMORROW" is related to as it focuses on the timing of the event, which is the key aspect being emphasized in the original statement.