| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] must be [vb pp] | 101 |
|
| 2 | too must be [verb] | 13 |
|
| 3 | [adv] must be [v-ing] | 11 |
|
| 4 | so must be [verb] | 11 |
|
| 5 | therefore must be [verb] | 10 |
|
| 6 | [adv] must be go | 9 |
|
| 7 | [adv] must be going | 8 |
|
| 8 | really must be [verb] | 7 |
|
| 9 | [adv] must be [to-vb] | 5 |
|
| 10 | else must be [verb] | 5 |
|
