| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] they [prep] a while | 15 |
|
| 2 | [verb] they [prep] a while | 15 |
|
| 3 | [prep] they [prep] a while | 15 |
|
| 4 | they [verb] [prep] a while | 24 |
|
| 5 | they [vb past] [prep] a while | 19 |
|
| 6 | they [prep] a [adj] while | 8 |
|
| 7 | they [prep] a [adj] while | 8 |
|
| 8 | they [prep] a little while | 5 |
|
| 9 | they [prep] a little while | 5 |
|
