Learn how to conjugate all the tenses of the most important 1000 verbs in a foreign language.2 Recommendations
Pro Courses specifically for travel are available
If you are looking to learn enough of a language specifically for travel, then their courses specifically for travelers are worth looking into.
They are slightly discounted at $7.99/month, and usually take 30-80 hrs.
These will teach you the important phrases you need to know, rather than forcing you to spend weeks on grammar at first.