In academic writing, you must use formal language and use the tenses correctly. But everyday writing may not require formal language and correct tenses because it is easy to understand.
In academic writing, it is necessary to use the official language and use Tens correctly. But daily writing may not require the correct official language and language, as it is easy to understand.
In academic writing, we must use formal language and tennis correctly, but we may not need to use formal language and tennis correctly in daily writing because it is easy to understand.