Start with short recordings, then work through longer phrases. Listen once for the situation and again for the words.
Use wanna only as an informal way to say want to, and use gonna only as an informal way to say going to for a future plan. They show relaxed speech, not standard spelling. Write the full forms when the situation needs standard English.
Use a semicolon between two complete sentences that have a close connection, or between detailed list items that already contain commas. Do not use it to join a complete sentence to a fragment.
A determiner comes before a noun to make its meaning more specific. It can show which noun you mean, whose it is, or its amount.
Use when when you expect the event to happen. Use if when you mean "only in the case that" or when the event is uncertain.
Use whether or if for many indirect yes-or-no questions. Use whether before or not, after a preposition, and before to plus a verb. Use if when you mean a condition and a possible result.
Use who for people. Use which for things and for a choice among options.
Use who for people. Use which for things, especially when the clause is extra information between commas. Use that in many defining clauses about people or things, but never after a comma.
Use no article with most country names, such as Italy, Mexico, and South Korea. Use the with plural names and names containing words such as states, kingdom, republic, or emirates: the Bahamas, the United States, the United Kingdom, the Czech Republic, and the United Arab Emirates.
Use will for a decision made now: The doorbell is ringing. I'll get it. Use be going to for a prior plan: I'm going to visit my cousin this weekend. For predictions, will often states what you think, while be going to often points to present evidence.
Use wish plus a past form for an unreal situation now, wish plus a past perfect form for a past regret, wish plus could for an ability, and wish plus would for a change you want in the future.
Use worry for the action or experience of feeling concern. Use be worried when worried describes how someone feels. A thing can worry someone when it causes that concern.
Use would rather plus a base verb to say what you prefer. Say I'd rather walk, we'd rather stay, or would you rather wait?