| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could [adv] [be] | 2675 |
|
| 2 | [pron] could [be] [conj] | 191 |
|
| 3 | [pron] could [adv] [conj] | 115 |
|
| 4 | could [adv] [be] [conj] | 73 |
|
| 5 | [pron] [adv] [be] [conj] | 20 |
|
