Hello，boys and girls. Nice to see you again.新学期开始了，我们将会学到一些新句型，为了更好地掌握所学的新句型，复习、重现上学期的重点句型很有必要。你们说，对吗？下面我们就与他们碰个面吧！
1. This(That，It) is a book.
This(That，It) is not(isn't) a book.
2. There is a pen in the pencil-box.
There is not(isn't) a pen in the pencil-box.
3. I am a good boy. I am not a good boy.
4. He(She) is a student.
He(She) is not(isn't) a student.
1. -Is this(that, it) a bike? -Yes, it is. (No, it isn't.)
2. -Are you a Chinese boy? -Yes, I am.(No, I'm not.)
3. -Is he(she) a teacher? -Yes, he (she) is. (No, he(she) isn't.)
4. -Is there a book on the desk? -Yes, there is. (No, there isn't.)
1. -What's this(that) in English? -It's a car.
-What class(grade, row) are you in? -I am in Class(Grade, Row)One.
-What's the English for"中国"？ -It's "China".
2. -Who are you? -I am Li Yan.
-Who is he(she)? -He (She) is my teacher.
3. -Where are you? -I'm in the room.
-Where is he(she)? -He(She) is at home (在家).
-Where is my book(it)? -It's on the desk.
4. -When is Children's Day? -It's on June 1st.
5. -What time is it? -It's six o'clock. (It's five ten. / It's five past three. / It's two to nine.)