| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] [v-ing] [prep] three | 5 |
|
| 2 | [vb past] [be] [v-ing] [prep] three | 8 |
|
| 3 | [vb past] be [v-ing] [prep] three | 8 |
|
| 4 | [vb past] been [v-ing] [prep] three | 7 |
|
| 5 | [vb past] [been] [v-ing] [prep] three | 7 |
|
