| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [v-ing] [art] [adj] | 20 |
|
| 2 | could be [v-ing] [art] [adj] | 20 |
|
| 3 | could [be] [v-ing] [art] [adj] | 20 |
|
| 4 | could [be] [v-ing] a [adj] | 14 |
|
| 5 | could [be] [v-ing] the [adj] | 5 |
|
