| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] has been [art] tendency | 35 |
|
| 2 | [pron] has been a tendency | 35 |
|
| 3 | there has been [art] tendency | 35 |
|
| 4 | there has been [art] tendency | 35 |
|
