The Witches in Macbeth have one of the most famous speeches in the show and it is written in trochaic tetrameter. A trochee is the exact opposite of an iamb. Instead of following the unstressed-stressed (da-DUM) pattern it goes stressed-unstressed. (DUM-da) And a tetrameter is eight syllables per line.

Does Macbeth speak in iambic pentameter?

Iambic pentameter is used almost all the time in Macbeth. If you count the syllables in Macbeth's first lines, you can see how it works: 'So foul and fair a day I have not seen' (Macbeth, 1:3).

Who speaks trochaic tetrameter?

Well there are three forms of speaking in Macbeth. Iambic Pentameter (the way the nobles speak), trochaic tetrameter (how the witches speak) and prose how everyone else speaks.