| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have been [v-ing] [noun sg] | 9 |
|
| 2 | that have been taking [noun sg] | 9 |
|
| 3 | that have been [v-ing] place | 9 |
|
| 4 | that had been [v-ing] [noun sg] | 5 |
|
