| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] [art] | 2556 |
|
| 2 | could [be] [prep] [art] | 254 |
|
| 3 | could [be] [v-ing] [prep] | 167 |
|
| 4 | could [be] [v-ing] [art] | 83 |
|
