| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] has been [art] | 1879 |
|
| 2 | there has [been] [art] | 1879 |
|
| 3 | [ex0] has [been] a | 1287 |
|
| 4 | [ex0] has [been] no | 336 |
|
| 5 | [ex0] has [been] an | 232 |
|
| 6 | [ex0] has [been] the | 24 |
|
