They have eaten

A quick one, with some grammar.
-dla (v)
eat

A conversation with Sis'Phumla about whether the dog's had eaten led to this lesson:

zidlele
they have eaten (dogs)

udlile
he/she has eaten (person)

badlile
they have eaten (persons)

Izintja zidlile
can mean
Have the dogs eaten?
or
The dogs have eaten.
depending on using the tone of your voice to ask a question, or make a statement.