Here are the intervals that create the major scale and it’s modes.
Key:
W= Whole Step
H= Half Step
Ionian
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| W | W | H | W | W | W | H |
Dorian
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| W | H | W | W | W | H | W |
Phrygian
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| H | W | W | W | H | W | W |
Lydian
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| W | W | W | H | W | W | H |
Mixolydian
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| W | W | H | W | W | H | W |
Aeolian (Natural Minor)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| W | H | W | W | H | W | W |
Locrian
| 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| H | W | W | H | W | W | W |