| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] have been described [prep] a | 13 |
|
| 2 | [Wh det] have been describe [prep] a | 13 |
|
| 3 | [Wh det] have been describe as a | 12 |
|
| 4 | [Wh det] has been describe [prep] a | 12 |
|
| 5 | [Wh det] have been describe as a | 12 |
|
| 6 | what have been describe [prep] a | 8 |
|
| 7 | which have been describe [prep] a | 5 |
|
