Fresh fruits are plentiful at this time of year. (SHORTAGE) → There is no shortage of fresh fruits at this time of year. (We reverse the meaning of "shortage" to show abundance)

We have to try harder so that our study results can stay equal with theirs. (KEEP UP WITH) → We have to try harder to keep up with their study results. (We replace the similar expression)

Scuba-diving is not really my cup of tea. (INTERESTED) → I'm not really interested in scuba-diving. (We rephrase the negative using "interested")

I cannot remember the man's name. He phoned me last night. (WHOSE) → I cannot remember whose name it was. He phoned me last night. (We replace "the man's name" with the possessive form "whose")

I'm interested in the news about ancient towns. (FIND) → I find the news about ancient towns interesting. (We rephrase using "find" to show interest)