Present simple: negations and questions

• Easy:
• Exercise 1.
• Exercise 2.
• Exercise 3 (questions and statements).
• Exercise 4.
• Exercise 5 (questions, statements and negative forms).
• Intermediate:
• Exercise 1-5 (all in one page!)
• Hard:
• Exercises 1-3 (translate into Catalan).
• Exercises 4-5 (translate into Catalan).