| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] a long [noun] | 62 |
|
| 2 | [be] [prep] a [adj] while | 12 |
|
| 3 | [be] [prep] a long while | 6 |
|
| 4 | [be] [prep] [art] long while | 6 |
|
| 5 | [be] [prep] [art] long while | 6 |
|
