| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been used for [adj] | 7 |
|
| 2 | which had been used for [adj] | 5 |
|
| 3 | [Wh det] had been used for [adj] | 5 |
|
| 4 | which had been used for [adj] | 5 |
|
| 5 | had [adv] been used for [adj] | 5 |
|
| 6 | had been used for [adj] [noun pl] | 12 |
|
| 7 | had been used for [adj] [noun] | 12 |
|
