There are six classes in Grade One ,这个句子什么结构哪句是主语?这些都不是物 也可以用There are?并举例处句子的成分

Look!This is my school.There are there buildings in it.The tallest one is the teaching building.The one on the left is the library.The one on the right is the canteen and the gym.On rainy days,we play ball games in the gym.There are thirty-six classe There are six books in the schoolbag.(six提问） there are six books in my schoolbag对six提问 Are there six days in a week? there are (six monkeys)in the zoo. There are six people are sleeping on the bus. 是there is only six lessons还是there are only six lessons 英文翻译：包括我,共有六人._____me,there are six people. There are more than six h___ students in our school. There are six tea cups on that white table翻译 There are (six apples) on the desk括号提问 are,there,six,in,family,people,my,(.)连词成句 there are twenty-six l_____ in zhe english alphabet How many shoes are there in twenty-six pairs? There are six grades in our school.就句子提问 There are six books in the schoolbag.(sixbooks提问） there are six glasses on the table(对six提问） _____ _____glasses_____ _____on the table there are six people in my family如何对six提问