| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [vb base] be [v-ing] | 4568 |
|
| 2 | [vb base] be [v-ing] since | 32 |
|
| 3 | [pers pn] [vb base] be since | 5 |
|
