| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] must | 44 |
|
| 2 | is [vb pp] must | 39 |
|
| 3 | is [pron] must | 28 |
|
| 4 | is [pers pn] must | 22 |
|
| 5 | is [adj] must | 12 |
|
| 6 | is [adj] must | 12 |
|
| 7 | is and must | 7 |
|
| 8 | is he must | 7 |
|
| 9 | is he must | 7 |
|
| 10 | is and must | 7 |
|
| 11 | is [conj] must | 7 |
|
| 12 | is [coord] must | 7 |
|
| 13 | is what must | 6 |
|
| 14 | is what must | 6 |
|
| 15 | is [Wh det] must | 6 |
|
| 16 | is [v-ing] must | 5 |
|
| 17 | is must be | 8 |
|
| 18 | is must be | 8 |
|
| 19 | is must [be] | 8 |
|
| 20 | is must [be] | 8 |
|
