| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [be] [v-ing] [prep] [num] | 98 |
|
| 2 | which [vb past] [be] [v-ing] [prep] | 64 |
|
| 3 | which [be] [v-ing] [prep] [num] | 10 |
|
| 4 | which [vb past] [v-ing] [prep] [num] | 9 |
|
