'I drank water as much as I could.' The underlined phrase is a/an-

'I drank water as much as I could.'
The underlined phrase is a/an- conjunctional phrase.
কারণ, এখানে as much as Conjunction এর কাজ করেছে।

Conjunctional Phrase: কোন Phrase বা শব্দ সমষ্টি যখন Conjunction এর কাজ করে তখন তাকে Conjunctional Phrase বলে।
যেমন: Rana as well as kamal has coome.
এখানে as well as= and এর মত Conjunction এর কাজ করেছে।



Source: A Passage to the English language- S.M. Zakir Husssain.