Awesome Grooves #1: Down On The Corner (CCR)

I'm starting a new series on songs with awesome bassgrooves. The idea behind this is to compare different groovy basslines and find similarities and differences. What makes a bassline groovy? Are there same common groove-patterns and how can you use them with your own basslines.
I'm starting off with a cool bass + guitar unisono groove by Creedence Clearwater Revival:

The song "Down On the Corner" features two different groove patterns.

Here's the verse groove:

The beats 2 + 4 are anticipated (played on the last sixteenth note of beat 1 + 3), which results in the feeling of accelaration on this part of the groove. Playing a note earlier than expected is called "Syncopation".

Here's the chorus groove:

We can find anticipation on beat 3.