| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been through [det] | 8 |
|
| 2 | they have [been] through [det] | 8 |
|
| 3 | they have [been] through [det] | 8 |
|
| 4 | they had [been] through [det] | 5 |
|
