| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [verb] in | 2624 |
|
| 2 | has [been] [vb pp] in | 2460 |
|
| 3 | has [been] described [prep] | 228 |
|
| 4 | has [been] described [prep] | 228 |
|
| 5 | [verb] [been] described in | 119 |
|
| 6 | have [been] described in | 119 |
|
| 7 | has [been] describe in | 48 |
|
| 8 | [vb -s] [been] described in | 47 |
|
| 9 | has [been] described in | 47 |
|
| 10 | has [be] described in | 47 |
|
