Раскройте скобки, поставьте заключенный в них глагол to be в соответствующей форме и времени (there is / are, there was / were, there will be) : there (be) a table in my room. there (be) matches in the box yesterday. there (be) a man and a woman in the street. there (be) a lady in his room 2 hours ago. there (be) a new house in our street next year. there (be) an important meeting tomorrow. there (be) strange voices in that room. there (be) a mess in my room now.

There is a table in my room. There were matches in the box yesterday. There is a man and a woman in the street. There was a lady in his room 2 hours ago. There will be a new house in our street next year. There will be an important meeting tomorrow. There are strange voices in that room. There is a mess in my room now.

Таким образом:

- в настоящем времени (Present Simple) используются there is/there are;

- в будущем времени (Future Simple) используется there will be;

- в прошлом времени (Past Simple) используются there was/there were.