Is "reminds" a present, present participle, past, or past participle?

Kim "reminds" Robin of their five days
at camp.

The word "reminds" is not a participle of any kind. It's the present tense main verb in that sentence. Participles for this verb are "reminding" (present participle) and "reminded"(past participle).

You can find these parts of just about any verb by looking it up in any good dictionary or online dictionary. This is a reliable online dictionary: http://www.dictionary.com

Participles: http://grammar.ccc.commnet.edu/grammar/verbs.htm#participle

it is present

what is citizenship

To determine the tense of the word "reminds," we need to analyze its form in the sentence. In this case, "reminds" is in the present tense.

Verb tenses are categorized into four main forms: present, present participle, past, and past participle. The present tense describes actions happening right now or actions that are habitual. The present participle is formed by adding "-ing" to the base form of the verb and is used to form progressive tenses. The past tense describes actions that have already occurred in the past. The past participle is used to form perfect tenses and is often (but not always) formed by adding "-ed" or "-en" to the base form of the verb.

In the given sentence, "reminds" is the base form of the verb "remind" in the third-person singular present tense. It is used to describe Kim's action of reminding Robin about their five days at camp.