Unit 5: Go back to the roundabout - Lesson 3
<p>1. Ôn tập ngữ pháp:<br>- Have to/ Had to<br>+ Use "have to" when something is necessary<br>+ For the past tense, use "had to"<br>- Giving directions: on the left / turn left/ go straight/ turn right/ on the right/ next to/ across from/ cross/ go past/ on the corner/ take the first right.<br>2. Ngữ pháp: Why/ Because<br>- Use "Why" for questions<br>- Use "because" for answers.<br>3.