In Indonesian grammar, the concept of articles does not exist as found in English or other languages. Therefore, exercises involving articles are vastly different and may often feature nuances like context, formal and informal language difference, and the use of affixes.

Exercises may include phrases and sentence translation, where students interpret meanings without the usage of definite or indefinite articles such as ‘the’, ‘a’, ‘an’. This can be challenging but rewarding.

Another key point of practice can be understanding noun phrases. Indonesian language doesn’t distinguish between singular and plural nouns without context. Thus, exercises could be designed to comprehend the number of items based on the context.

Students may also engage with categorization exercises, where they must assign objects to their respective categories without relying on articles. The use of prefixes or suffixes to understand or imply an amount is also a critical part of exercises.

A unique aspect of Indonesian grammar that could be incorporated into exercises is the widespread use of reduplication, where the repetition of words can signify plural forms. For example, “orang” changes to “orang-orang” to mean “people”.

In conclusion, mastering Indonesian grammar through these exercises can be an intriguing departure from the norm for students accustomed to languages that heavily rely on articles.