| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been refer to | 40 |
|
| 2 | [pron] have be referred to | 35 |
|
| 3 | [pers pn] have be refer to | 23 |
|
| 4 | [pron] has be refer to | 15 |
|
| 5 | [Wh det] have be refer to | 14 |
|
| 6 | which have be refer to | 11 |
|
| 7 | which have be refer to | 11 |
|
| 8 | [pron] had be refer to | 11 |
|
| 9 | [pron] have be refer to | 8 |
|
| 10 | it have be refer to | 7 |
|
| 11 | it have be refer to | 7 |
|
| 12 | [pron] have be referring to | 5 |
|
