how to blow a shofar. i have rarely heard this done right.

 tekia=one long. Count up to three.

Shevarim= three short. Each of length one.

Truah 9 bursts. 

So the first is Tekia shevarim truah tekia

_________ then ___ ___ ___ then --------- then _________

Do this all together three times..

Then Tekia shevarim Tekia _________ then ___ ___ ___ then _________

Do that three times.

Then Tekia truah tekia. _________ --------- _________

Do that three times.

You can see all this in the last two pages of Tractate Rosh Hashanah.