| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have you ever [vb pp] [prep] a | 16 |
|
| 2 | have you [adv] [vb pp] [prep] a | 15 |
|
| 3 | have you [adv] [vb pp] of a | 7 |
|
| 4 | have you [adv] heard [prep] a | 6 |
|
