| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what must | 132 |
|
| 2 | [prep] what must | 132 |
|
| 3 | [verb] what must | 55 |
|
| 4 | of what must | 37 |
|
| 5 | of what must | 37 |
|
| 6 | in what must | 32 |
|
| 7 | in what must | 32 |
|
| 8 | [conj] what must | 22 |
|
| 9 | [coord] what must | 21 |
|
| 10 | to what must | 15 |
|
| 11 | to what must | 15 |
|
| 12 | [to-vb] what must | 15 |
|
| 13 | [adv] what must | 13 |
|
| 14 | [noun] what must | 13 |
|
| 15 | and what must | 13 |
|
| 16 | and what must | 13 |
|
| 17 | [vb past] what must | 12 |
|
| 18 | be what must | 9 |
|
| 19 | [be] what must | 9 |
|
| 20 | [v-ing] what must | 9 |
|
| 21 | [noun sg] what must | 8 |
|
| 22 | with what must | 7 |
|
| 23 | for what must | 7 |
|
| 24 | but what must | 7 |
|
| 25 | on what must | 7 |
|
| 26 | [adv prt] what must | 7 |
|
| 27 | on what must | 7 |
|
| 28 | [is] what must | 7 |
|
| 29 | but what must | 7 |
|
| 30 | with what must | 7 |
|
