Janeturned downthe chance to work abroad. Here the underlined part is -

• Jane turned down the chance to work abroad. Here the underlined part is - Phrasal Verb.

• Phrasal Verb:
- গুচ্ছ ক্রিয়া
- Verb + Preposition/Adverb
- বাক্যে Verb + preposition/adverb থাকলে সেটা Phrasal Verb হয়।
- যেমন - look down upon, give up, look after.
- তাই এখানে Phrasal Verb (verb + preposition) হচ্ছে phrasal verb.

• Jane turned down the chance to work abroad.
- এই বাক্যে 'turned down' (verb + preposition)
- তাই এটি Phrasal Verb.