| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [adv] | 16155 |
|
| 2 | [prep] [v-ing] [adv] | 10991 |
|
| 3 | [prep] be [v-ing] | 7575 |
|
| 4 | be [v-ing] [adv] | 2368 |
|
