There is no hard and fast rule in filmmaking. Here ''hard and fast'' is a-

Here “hard and fast rule'' is used as an Adjective phrase।
- এখানে hard and fast rule এর মাধ্যমে noun film making কে modify করা হয়েছে । তাই এটি Adjective phrase.

- Prepositional phrase হলো a group of word যেখানে এর object হিসেবে noun অথবা pronoun ব্যবহৃত হবে।
- Example: Mark is going out with that beautiful woman.
এই উদাহরণে prepositional phrase হল ''with that beautiful woman.''

Adverbial phrase মূলত adverb এর মত কাজ করে অর্থ অর্থাৎ verb কে modify করে থাকে।
- “I went into town to visit my friend,” এটা একটি the adverbial phrase এর উদাহরণ ; এখানে to visit my friend বোঝানো হয়েছে why you went into town.
- সুতরাং এখানে verb went কে modify করে তাই এটি an adverbial phrase.

Source: Advanced Learner's Grammar and Composition by Chowdhury and Hossain