Question

Como  passar para o plural  
 

there is a tomato in the refrigerator/  

is there a potato inthe cupboard? /

this lady likes to play the piano. a white tooth/

a big foot/ a little toot /

a wild mouse /

a whild mouse /

a white goose /  

an old ox /

a green leaf /

a happy child /

there was a mouse in the old house/

there was an ox in the field /

there was a man in the room/

Answer 1

There is SOME TOMATOES in the refrigerator ---> afirmativa 
Is there SOME TOMATOES in the refrigerator? ---. interrogativa