| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] has [adv] been refer to | 12 |
|
| 2 | [noun sg] has [adv] been refer to | 8 |
|
| 3 | which has [adv] been refer to | 5 |
|
| 4 | [Wh det] has [adv] been refer to | 5 |
|
| 5 | [pron] has [adv] been refer to | 5 |
|
| 6 | which has [adv] been refer to | 5 |
|
| 7 | has [adv] been refer to [prep] | 7 |
|
| 8 | has [adv] been refer to [prep] | 7 |
|
