对不起,我有点紧张,可能有段时间没说英语了. Sorry,I'm a bit nervous,for I haven't spoken Englsh for a long time.
Sorry,I am a bit nervous,I havn't spoken English for a long time.
"Sorry, I'm a little bit nervous. I might have stopped talking in English for days."
Sorry,I am a little bit nervous.Maybe I haven't spoken in English for long.
Sorry, I'm a little nervous, may have a period of time did not speak English.