Here are some examples of how to use the present perfect tense with "study" in a sentence about science:
* He has studied science. (This means he studied science in the past and the knowledge gained is still relevant.)
* He has been studying science. (This means he has been engaged in studying science for a period of time.)
* He has studied science for many years. (This emphasizes the duration of his science studies.)
Remember to choose the correct present perfect tense based on the context and meaning you want to convey.
