Conjugate a Latin verb

Conjugate a Latin verb
You are encouraged to solve this task according to the task description, using any language you may know.

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Task

Given the input: "amare", output the following, each on its own line:

amo
amas
amat
amamus
amatis
amant

Wren

<lang ecmascript>var conjugate = Fn.new { |infinitive|

   if (!infinitive.endsWith("are")) Fiber.abort("Not a first conjugation verb.")
   var stem = infinitive[0..-4]
   System.print("Present indicative tense of '%(infinitive)':")
   for (ending in ["o", "as", "at", "amus", "atis", "ant"]) {
       System.print("  " + stem + ending)
   }
   System.print()

}

for (infinitive in ["amare", "dare"]) conjugate.call(infinitive)</lang>

Output:

Present indicative tense of 'amare':
  amo
  amas
  amat
  amamus
  amatis
  amant

Present indicative tense of 'dare':
  do
  das
  dat
  damus
  datis
  dant