| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be [v-ing] [prep] | 2075 |
|
| 2 | [adv] be [v-ing] [prep] | 1277 |
|
| 3 | [vb base] [adv] be [prep] | 485 |
|
| 4 | [vb base] [adv] be [v-ing] | 421 |
|
| 5 | [vb base] [adv] [v-ing] [prep] | 138 |
|
