| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] be [v-ing] [prep] | 6335 |
|
| 2 | [verb] [adv] be [prep] | 1717 |
|
| 3 | [adv] be [v-ing] [prep] | 1277 |
|
| 4 | [verb] [adv] be [v-ing] | 1201 |
|
| 5 | [verb] [adv] [v-ing] [prep] | 881 |
|
