| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] been [verb] [art] | 541 |
|
| 2 | [adv] [be] [to-vb] [art] | 308 |
|
| 3 | [adv] be [to-vb] [art] | 308 |
|
| 4 | [adv] [been] [to-vb] [art] | 24 |
|
