| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a | 27354 |
|
| 2 | [prep] a long | 4596 |
|
| 3 | [v-ing] a long | 313 |
|
| 4 | [v-ing] [prep] long | 80 |
|
