| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv] | 44513 |
|
| 2 | be [v-ing] [pos pn] | 9683 |
|
| 3 | [v-ing] [adv] [pos pn] | 4959 |
|
| 4 | be [adv] [pos pn] | 4060 |
|
