| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv] [prep] | 12532 |
|
| 2 | be [adv] [prep] [det] | 3786 |
|
| 3 | be [v-ing] [prep] [det] | 3559 |
|
| 4 | [v-ing] [adv] [prep] [det] | 2369 |
|
| 5 | be [v-ing] [adv] [det] | 1336 |
|
