[lollum_dropcap]A[/lollum_dropcap]nother cool thing that you can do with dominant chords is to place them before any diatonic chord from you key.
For example, say you have a ii minor chord “F-7” in your progression, you could play a C7 chord before it because that is the V7 of your ii chord.
This is called a Secondary Dominant and the V of ii would be written V/ii.
Secondary Dominants Visualized
Go ahead and try out some of these secondary dominants using the following chords.