Make it Comparative: Very few metals are as costly as Diamond.

Very few যুক্ত Positive Degree কে Comparative Degree-তে পরিণত করার নিয়ম:-
Structure: প্রদত্ত Sentence-এর শেষের Subject + Verb + Positive Degree এর Comparative form + than most other + very few-এর পর থেকে verb-এর পূর্ব পর্যন্ত অংশ।
Example :
Positive: Very few metals are as costly as Diamond.
Comp: Diamond is costlier than most other metals.