Answer:
participen en la reunión / investiguen y escriban / muestren iniciativa
Explanation:
Participen en la reunión -- Participate in the reunion -- We formed this sentence by using a verb PARTICIPAR. The verb we used in this sentence belongs to the second group of verbs, ending in AR. It means to participate. It's a regular verb. When it comes to the tense of this verb, since it's a formal command, or ''usted command'', we put the verb in SUBJUNCTIVE present tense, in the third person plural form.
Investiguen y escriban -- Investigate and write down -- The verbs we used in this sentence are INVESTIGAR and ESCRIBIR. The first verb carries the meaning of '' to investigate '' and the second one means to write. Investigar belongs to the first group and Escribir belongs to the third group. Both of them are in the third person plural form, in the subjunctive, present tense, since this is is a formal command.
Muestren iniciativa -- Show initiative -- When it comes to this sentence, the verb we have is MOSTRAR -- meaning to show. It belongs to the first group of verbs because of its AR ending. It is an irregular verb. We put the given verb in the third person plural from, in the PRESENT, SUBJUNCTIVE tense, since we are dealing with a formal command.
la iniciativa -- feminine noun meaning the initiative, with an adequate definite article
