to sign

https://tts.langeek.co/read?text=dG8gc2lnbg&hash=1f7bcd6796a4287387432196809a58ea6edd1def&lang=en&cache-only=0&driver=googletts&accent=US

Here you will find the vocabulary from Unit 5 - 5B in the English Result Intermediate coursebook, such as "permit", "sign", "forbid", etc.