| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] able [verb] [adv prt] [prep] | 438 |
|
| 2 | must [be] [verb] [adv prt] [prep] | 204 |
|
| 3 | must [be] able [verb] [prep] | 44 |
|
| 4 | must [be] able [verb] [adv prt] | 11 |
|
