Basic Grammar In Use 4th Audio -

To fully utilize , follow this 4-week plan:

| Grammar Point | Audio Example (Listen closely) | Meaning Change | | :--- | :--- | :--- | | | "I like" vs. "He likes" | Subject change | | Past -ed | "I walk" (present) vs. "I walked" (past) | Time change | | Contractions | "He is" vs. "He's" | Formal vs. casual | | Modal verbs | "I can swim" vs. "I can't swim" | Positive vs. negative | Basic Grammar In Use 4th Audio