| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [been] [adv] [art] | 103 |
|
| 2 | [modal v] [verb] [be] [adv] a | 79 |
|
| 3 | [modal v] [verb] [been] [adv] a | 74 |
|
