Police are looking into connections between the two crimes. Here 'looking into' is a/an -

• Police are looking into connections between the two crimes.Here 'looking into' is a - phrasal verb.
Phrasal Verb:
- বাক্যে Verb + preposition/adverb থাকলে সেটা Phrasal Verb হয়।
- যেমন - look down upon, give up, look after.
- তাই এখানে looking into (verb + preposition) হচ্ছে phrasal verb.