There(was /were)(a lot of much) potatoes in the box last month. 2.how(many /much) jam (was /were) there on the table ten minutes ago? 3. there (wasn't /weren't) (many /much) books on the shelf.

There was a lot of potatoes in the box last month.
How many jams were there on the table ten minutes ago?
There weren't many books on the shelf. 

1. Was 2.a lot of 3.many 4. were 5.weren't 6.many