There is used as dummy/ introductory subject to express existence/ presence of someone or something.
Present Perfect
There + has/have been + noun + period of time/ point of time
- There has been a meeting since morning.
- There has not been a meeting since morning.
- Has there been a meeting since morning?
- Has there not been a meeting since morning?
- There have been meetings for two days.
- There have not been meetings for two days.
- Have there been meetings for two days?
- Have there not been meetings for two days?
There + has/have been + adjective + noun + period of time/ point of time
- There has been a good result since yesterday.
- There has not been a good result since yesterday.
- Has there been a good result since yesterday?
- Has there not been a good result since yesterday?
- There have been good results for many years.
- There have not been good results for many years.
- Have there been good results for many years?
- Have there not been good results for many years?
There + has/have been + adverb + adjective + noun + period of time/ point of time
- There has been a very good result since last week.
- There has not been a very good result since last week.
- Has there been a very good result since last week?
- Has there not been a very good result since last week?
- There have been very good results for a long time.
- There have not been very good results for a long time.
- Have there been very good results for a long time?
- Have there not been very good results for a long time?
Past Perfect
There + had been + noun + period of time/ point of time
- There had been a problem since last year.
- There had not been a problem since last year.
- Had there been a problem since last year?
- Had there not been a problem since last year?
- There had been problems for many years.
- There had not been problems for many years.
- Had there been problems for many years?
- Had there not been problems for many years?
There + had been + adjective + noun + period of time/ point of time
- There had been a serious issue since 2020.
- There had not been a serious issue since 2020.
- Had there been a serious issue since 2020?
- Had there not been a serious issue since 2020?
- There had been serious issues for a long time.
- There had not been serious issues for a long time.
- Had there been serious issues for a long time?
- Had there not been serious issues for a long time?
There + had been + adverb + adjective + noun + period of time/ point of time
- There had been a very serious issue since 2015.
- There had not been a very serious issue since 2015.
- Had there been a very serious issue since 2015?
- Had there not been a very serious issue since 2015?
- There had been very serious issues for many years.
- There had not been very serious issues for many years.
- Had there been very serious issues for many years?
- Had there not been very serious issues for many years?
Future Perfect
There + will have been + noun + period of time/ point of time
- There will have been a meeting for two hours by evening.
- There will not have been a meeting for two hours by evening.
- Will there have been a meeting for two hours by evening?
- Will there not have been a meeting for two hours by evening?
- There will have been meetings for many days by next week.
- There will not have been meetings for many days by next week.
- Will there have been meetings for many days by next week?
- Will there not have been meetings for many days by next week?
There + will have been + adjective + noun + period of time/ point of time
- There will have been a good improvement for two months by next year.
- There will not have been a good improvement for two months by next year.
- Will there have been a good improvement for two months by next year?
- Will there not have been a good improvement for two months by next year?
- There will have been good improvements for many years by 2030.
- There will not have been good improvements for many years by 2030.
- Will there have been good improvements for many years by 2030?
- Will there not have been good improvements for many years by 2030?
There + will have been + adverb + adjective + noun + period of time/ point of time
- There will have been a very good improvement for three months by next June.
- There will not have been a very good improvement for three months by next June.
- Will there have been a very good improvement for three months by next June?
- Will there not have been a very good improvement for three months by next June?
- There will have been very good improvements for many years by the end of this decade.
- There will not have been very good improvements for many years by the end of this decade.
- Will there have been very good improvements for many years by the end of this decade?
- Will there not have been very good improvements for many years by the end of this decade?