R then mid animation Flash, and use W AA and E Q instantly to finish up.
Use E and Flash together to catch people off guard. Q then instantly activate E, then Flash into melee range for AA W.
R into melee range and instantly AA W, then AA E to stay in AA range followed by using Q. By this time your R should be back up to continue the chase.
Melee trade using E to get into melee range to AA W then use your Q.
When trying to burst R into melee range and instantly AA W then use E Q.
Feel out a trade first with E Q then instantly R in to be able to AA W if you think you can finish your opponent.
To assassinate your target Q then instantly E, activate W right before using R then AA.
Use R to harass by moving forward into melee range. E and use the slow to follow up with AA W with and instantly Q right after.
To trade simply E and instantly Q.
To harass after level 6 R into max E range then E Q instantly.
While in tower range, Q E then instantly R out.