| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] [det] | 3559 |
|
| 2 | [adv] be [v-ing] [prep] | 1819 |
|
| 3 | [adv] [v-ing] [prep] [det] | 1393 |
|
| 4 | [adv] be [prep] [det] | 655 |
|
| 5 | [adv] be [v-ing] [det] | 367 |
|
