| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun sg] [vb past] be | 757 |
|
| 2 | [v-ing] [prep] [noun sg] be | 555 |
|
| 3 | [v-ing] [prep] [noun sg] [vb past] | 168 |
|
| 4 | [v-ing] [noun sg] [vb past] be | 29 |
|
