| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [v-ing] [prep] be | 1191 |
|
| 2 | [adv] [v-ing] [prep] be | 835 |
|
| 3 | 's [adv] [v-ing] [prep] | 412 |
|
| 4 | 's [adv] [prep] be | 42 |
|
