is play trombone

[svetlana14]

Is it correct to say: "The main thing I do is play trombone"? Thank you.

 

[Yankee]

It works, but ".....to play trombone." would work too.

 

[teechar]

I suspect "play/playing the trombone" may be better in your sentence. What do you mean by that sentence, svetlana14? Can you give us some more details?