| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [prep] [noun sg] | 29 |
|
| 2 | they have [been] [prep] [noun sg] | 29 |
|
| 3 | they have [been] in [noun sg] | 23 |
|
| 4 | they have [been] in [noun sg] | 23 |
|
