To move to and fro in short, jerky movements
It should be a dotted crotchet followed by a quaver tied to a crotchet followed by a quaver tied to a crotchet.
quaver tied to a crotchet.
After that there's a longer note - a dotted quaver plus a crotchet tied together as one note.
quaver passages should, in general, rise in intensity and purpose as the notes rise, and die as they fall.