The A Minor Pentatonic Scale is used for example purposes.
This practice technique can be applied to all scales.
A Minor Pentatonic Scale
e|--------------------------------5--8--|
B|--------------------------5--8--------|
G|--------------------5--7--------------|
D|--------------5--7--------------------|
A|--------5--7--------------------------|
E|--5--8--------------------------------|
Groups of "3" -- Try playing at several different tempos, and meters in triplets.
Play with 8th note triplets, 16th note triplets...etc.,
e|-8-5-----5-----|---------------|---------------|---------------|----------------|
B|-----8-----8-5-|-8-5-----5-----|---------------|---------------|----------------|
G|---------------|-----7-----7-5-|-7-5-----5-----|---------------|----------------|
D|---------------|---------------|-----7-----7-5-|-7-5-----5-----|----------------|
A|---------------|---------------|---------------|-----7-----7-5-|-7-5-----5------|
E|---------------|---------------|---------------|---------------|-----8-----8--5-|
e|---------------|---------------|---------------|---------------|-----5-----5-8--|
B|---------------|---------------|---------------|-----5-----5-8-|-5-8-----8------|
G|---------------|---------------|-----5-----5-7-|-5-7-----7-----|----------------|
D|---------------|-----5-----5-7-|-5-7-----7-----|---------------|----------------|
A|-----5-----5-7-|-5-7-----7-----|---------------|---------------|----------------|
E|-5-8-----8-----|---------------|---------------|---------------|----------------|
Groups of "4"
Play with 1/4, 1/8 and 1/16 notes
e|-------------------|------------------|-------------------|-----------------5---|
B|-------------------|------------------|-----------------5-|-----5-8-----5-8-----|
G|-------------------|----------------5-|-----5-7-----5-7---|-5-7-------7---------|
D|-----------------5-|-----5-7----5-7---|-5-7-------7-------|---------------------|
A|-----5-7-----5-7---|-5-7------7-------|-------------------|---------------------|
E|-5-8-------8-------|------------------|-------------------|---------------------|