| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [verb] [pron] | 6635 |
|
| 2 | be [verb] [verb] [pos pn] | 4354 |
|
| 3 | [be] [v-ing] [verb] [pos pn] | 1599 |
|
