| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] [art] | 23744 |
|
| 2 | [v-ing] [prep] [art] first | 599 |
|
| 3 | be [prep] [art] first | 473 |
|
| 4 | be [v-ing] [art] first | 107 |
|
| 5 | be [v-ing] [prep] first | 20 |
|
