| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [vb past] a long time | 5 |
|
| 2 | what [vb past] [art] long time | 5 |
|
| 3 | what [vb past] [art] long time | 5 |
|
| 4 | what [vb past] [art] long time | 5 |
|
| 5 | what [vb past] a long time | 5 |
|
