There is/ There are

Food

100

an apple (+)

There is an apple.

200

5 grapes

There are 3 grapes

300

Two oranges (+)

There are two oranges.

400

a watch (-)

There isn't a watch

500

cucumber (+)

There is one cucumber

Things

100

a dog (+)

There is a dog.

200

pens (-)

There aren't pens

300

Flowers (-)

There aren't flowers.

400

a ball (-)

there isn't a ball.

500

2 cars (+)

There are 2 cars.

Things 2

100

a vase (+)

There is a vase

200

an iguana (+)

There is an iguana

300

a tiger (-)

there isn't a tiger

400

3 lions 

There are 3 lions.

500

a shark (+)

There is a shark.

school items

100

a book (-)

There isn't a book.

200

Four pens (+)

There are four pens.

300

3 pencil cases (-)

There aren't 3 pencil cases.

400

a calculator (-)

There isn't a calculator

500

a glue (+)

There is a glue