| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] been described | 44 |
|
| 2 | which [verb] be described | 44 |
|
| 3 | which have be described | 44 |
|
| 4 | which has be described | 26 |
|
| 5 | which [vb -s] be described | 26 |
|
| 6 | which have be described | 14 |
|
| 7 | which [vb base] be described | 14 |
|
