| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [art] [adj] | 870 |
|
| 2 | could be [art] [adj] | 746 |
|
| 3 | could be [v-ing] [art] | 83 |
|
| 4 | could be [v-ing] [adj] | 22 |
|
