Grammar in the romance languages is different from English grammar. If you want native speakers to understand you, you will want to use word order they'll understand.

Though these are entries in the English dictionary, they are listed as pronunciation spellings. Learn more.

We use this word daily. Do you know which preposition to use? There's only one. This is Part 1: Grammar.
Part 2 explains the pronunciation.

This is Part 2 about the word "focus" and it talks about which preposition is correct to use. See Part 1 to learn how to say focus to be well-understood - not misunderstood!

Verb tense use indicates your proficiency in a language. Learn more about when the simple present is used, and when you should be using other tenses.

Grammar differs from language to language and so preposition use varies.