Make the sentences negative and then interrogative: 1.there are foreign newspapers on the table.2.there will be a lecture at out institute tomorrow.3.there was a concert in the hall yesterday.

1.There aren't foreign newspapers on the table. Are there foreign newspapers on the table?
2.There won't be a lecture at out Institute tomorrow. Will there be a lecture at out Institute tomorrow?
3.There wasn't a concert in the hall yesterday. Was there a concert in the hall yesterday?