| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] only | 10523 |
|
| 2 | [vb mod] only | 10523 |
|
| 3 | shall [adv] | 2468 |
|
| 4 | shall [adv] | 1305 |
|
| 5 | shall only | 42 |
|
| 6 | shall only | 42 |
|
