This little trick might work for you. You can count and play eighth note triplets, so use that. For quarter note trips count the same way but only play on these highlighted counts:
[glow=yellow,2,300]One[/glow] and [glow=yellow,2,300]a[/glow] Two [glow=yellow,2,300]and[/glow] a [glow=yellow,2,300]Three[/glow] and [glow=yellow,2,300]a[/glow] Four [glow=yellow,2,300]and[/glow] a
It might feel awkward at first, but keep with it until it clicks.