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Complete the traveler's diary entry. Select ALL the verb phrases that grammatically complete the sentence to refer to the future.
"I plan to completely ignore my phone and catch up on my reading while the train ________ through the Alps tomorrow."
The correct answers are travels and is traveling.
Explanation:
In clauses of time referring to the future (introduced by words like while, when, as soon as, before, after), we cannot use future tenses like "will travel" or "will be traveling."
Instead, we use present tenses:
- The Present Simple (travels) states the future fact within the time clause.
- The Present Continuous (is traveling) is also perfectly correct and emphasizes the ongoing, continuous nature of the action while the reading happens.
"Travel" is incorrect because it lacks the necessary third-person singular "s" for "the train."