Ex.1
1. Is
2. Is, are
3. Were
4. Was
5. Are
Ex.2
1. Is your father tall?
2. Where are you from?
3. Are you a teacher?
4. What kind is this book?
5. How old are your sister?
Ex.3
1. I did my homework yesterday.
2. I bought some milk with cookies for dinner last time.
3. I go roller skating every day.
I sometimes go out with my family.
4. I usually have a party on my birthday.
5. I played “Sims” last month l.