| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] which [vb base] been [v-ing] [prep] | 8 |
|
| 2 | [noun pl] which [vb base] be [v-ing] [prep] | 8 |
|
| 3 | [noun pl] which have be [v-ing] [prep] | 8 |
|
