| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] [pos pn] [num ord] | 10 |
|
| 2 | be [v-ing] for [pron] [num ord] | 9 |
|
| 3 | be [v-ing] [prep] their [num ord] | 5 |
|
| 4 | be [v-ing] [prep] their [num ord] | 5 |
|
