What you put starting from the beginning (including the ones written for you).
Note that the first one is a whole note, which constitutes 4 beats.
The second one shown is a half note, which constitutes 2 beats.
The third one shown (the shaded version of the half note) is a quarter note, which constitutes 1 beat.
It starts with:
1 2 3 4 | 1 2 1 2 | 1 1 1 1 | 1 2 3 4 | 1 2 1 2 | 1 2 3 4 | 1 1 2 1 | 1 2 1 2 | 1 1 1 2 | 1 2 1 1 |
The last 2:
2nd to last: quarter note; quarter note; half note (1 1 1 2)
last: half note; quarter note; quarter note (1 2 1 1)