Assuming your time setting is at 1/4 note =120, the top
note is a full 2:000, (half note) the 2nd note is G4, increase duration 
to 1:060 (dotted 1/4), the 3rd note is E4, increase duration to 
1:000, (1/4 note,) the last note can be an 1/8 note or more depending 
on what comes next.