| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [vb pp] [adv] [prep] | 791 |
|
| 2 | could also be [vb pp] [prep] | 149 |
|
| 3 | also be [vb pp] [adv] [prep] | 93 |
|
| 4 | could also be [vb pp] [adv] | 20 |
|
