1. (+) There are many chairs in the clas

(-)There are not many chairs in the class

(?)Are there many chairs in the class?

2.(+) the headmaster stands in front of the students

(-)the headmaster does not stand in front of the students

(?)Does the headmaster stand in front of the students?

3.(+) The teachers tell us the story everyday

(-)the teachers do not tell us the story everyday

(?)do the teachers tell us the story everyday?

4.(+)The postman gave a letter to MC this morning

(-)the postman did not give a letter to MC this morning

(?)did the postman give a letter to MC this morning?

5.(+) Anita shall sweep the floor next afternoon

(-) Anita shall not sweep the floor next afternoon

(?)Shall Anita sweep the floor next afternoon?

nomor 1-3 tensesnya present tense ditandai dengan tobe present yaitu are Dan kata kerja bentuk pertama yaitu stands dan tell

sedangkan nomor 4 tensesnya Past tense

Dan nomor 5 Ada kata shall jadinya Future tense atau bsa juga kata kerja bantu