| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [adv] | 44521 |
|
| 2 | [be] [adv] in | 14534 |
|
| 3 | [be] [v-ing] in | 8740 |
|
| 4 | [v-ing] [adv] in | 6145 |
|
