| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that had [be] [v-ing] on [art] | 5 |
|
| 2 | that had been [v-ing] on [art] | 5 |
|
| 3 | that had [been] [v-ing] on [art] | 5 |
|
| 4 | that had be [v-ing] on [art] | 5 |
|
