Which line from The Tempest is written in iambic pentameter?

The line from The Tempest that is written in iambic pentameter is:

"We'll visit Caliban, my slave, who never / Yields us kind answer."

This line consists of ten syllables, with the stressed syllables falling on the first, third, fifth, seventh, and ninth syllables. This pattern of stressed and unstressed syllables is characteristic of iambic pentameter.