There is used as dummy subject to express existence/ presence of someone or something.
Simple Present
There + is/are + noun
- There is a book.
- There is not a book.
- Is there a book?
- Is there not a book?
- There are books.
- There are not books.
- Are there books?
- Are there not books?
There + is/are + adjective + noun
- There is a good teacher.
- There is not a good teacher.
- Is there a good teacher?
- Is there not a good teacher?
- There are good teachers.
- There are not good teachers.
- Are there good teachers?
- Are there not good teachers?
There + is/are + adverb + adjective + noun
- There is a very good teacher.
- There is not a very good teacher.
- Is there a very good teacher?
- Is there not a very good teacher?
- There are very good teachers.
- There are not very good teachers.
- Are there very good teachers?
- Are there not very good teachers?
Simple Past
There + was/were + noun
- There was a book.
- There was not a book.
- Was there a book?
- Was there not a book?
- There were books.
- There were not books.
- Were there books?
- Were there not books?
There + was/were + adjective + noun
- There was a good teacher.
- There was not a good teacher.
- Was there a good teacher?
- Was there not a good teacher?
- There were good teachers.
- There were not good teachers.
- Were there good teachers?
- Were there not good teachers?
There + was/were + adverb + adjective + noun
- There was a very good teacher.
- There was not a very good teacher.
- Was there a very good teacher?
- Was there not a very good teacher?
- There were very good teachers.
- There were not very good teachers.
- Were there very good teachers?
- Were there not very good teachers?
Simple Future
There + will be + noun
- There will be a book.
- There will not be a book.
- Will there be a book?
- Will there not be a book?
- There will be books.
- There will not be books.
- Will there be books?
- Will there not be books?
There + will be + adjective + noun
- There will be a good teacher.
- There will not be a good teacher.
- Will there be a good teacher?
- Will there not be a good teacher?
- There will be good teachers.
- There will not be good teachers.
- Will there be good teachers?
- Will there not be good teachers?
There + will be + adverb + adjective + noun
- There will be a very good teacher.
- There will not be a very good teacher.
- Will there be a very good teacher?
- Will there not be a very good teacher?
- There will be very good teachers.
- There will not be very good teachers.
- Will there be very good teachers?
- Will there not be very good teachers?