| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [adv] [verb] [adv prt] | 242 |
|
| 2 | could [be] [adv] [verb] [adv] | 37 |
|
| 3 | could [be] [adv] [verb] [adv prt] | 18 |
|
| 4 | could [be] [adv] [verb] [adv prt] | 17 |
|
