This link was created in response to a student writing
grammar takes an important place in language learning
The link showing the use of important place is https://ske.li/important_place and looks like this:
This usage is far rarer than play an important role, however; the link for important role is https://ske.li/important_n and looks like this:
We could include part as well as role in the lines, as here https://ske.li/partrole:
Or if you wanted to show other adjectives that occur in this phrase, this link to a frequency list (play/have a/an Adj role/part) could be useful https://ske.li/play_adj_role. It looks like this: