Когда ед.ч ставим is,когда мнж.ч -are.
1.There..are .many ships in the port.
2.There..are .thirty days in a month.
3.There...is a mouse in the room.
4.There. are ..some texts in the book.
5.There.. is .a picture on the wall.
6.There..is .a white cloud in the sky.