| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [v-ing] [pron] of | 9 |
|
| 2 | to be [v-ing] [pron] of | 9 |
|
| 3 | to be [v-ing] [pron] of | 9 |
|
| 4 | [prep] be [v-ing] [indef pn] of | 6 |
|
