| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] a [adj] time | 73 |
|
| 2 | [be] [prep] a long [noun] | 62 |
|
| 3 | [be] [prep] [art] long time | 37 |
|
| 4 | [be] [prep] a long time | 37 |
|
