| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had [be] [v-ing] [pron] | 14 |
|
| 2 | which had [been] [v-ing] [pron] | 14 |
|
| 3 | which had been [v-ing] [pron] | 14 |
|
| 4 | which had be [v-ing] [pron] | 14 |
|
| 5 | which had [be] [v-ing] [pers pn] | 10 |
|
