buy
100

Tom buy/buys bread. 

Tom buys bread.

200

we fix/fixes car. 

we fix car. 

300

Liza and Tim eat/eats ice-cream.

Liza and Tim eat ice-cream.

400

My mum send/sends letters.

My mum sends letters.

500

You buy/buys tomatoes and potatoes. 

You buy tomatoes and potatoes.