| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [v-ing] [prep] | 1819 |
|
| 2 | be [v-ing] in [prep] | 465 |
|
| 3 | [adv] [v-ing] in [prep] | 134 |
|
| 4 | [adv] be in [prep] | 44 |
|
| 5 | [adv] be [v-ing] in | 32 |
|
