| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [adv] [been] [verb] [prep] a | 349 |
|
| 2 | has [adv] [been] [verb] on [art] | 65 |
|
| 3 | has [adv] [been] [verb] on [art] | 65 |
|
| 4 | have [adv] [been] [verb] on a | 32 |
|
| 5 | [verb] [adv] [been] [verb] on a | 32 |
|
| 6 | has [adv] [been] [verb] on a | 15 |
|
| 7 | [vb -s] [adv] [been] [verb] on a | 14 |
|
| 8 | has [adv] [be] [verb] on a | 13 |
|
