| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] [prep] a [adj] time | 41 |
|
| 2 | [modal v] [verb] [prep] a [adj] time | 38 |
|
| 3 | [modal v] [verb] [prep] a long [noun sg] | 36 |
|
| 4 | [modal v] [verb] [prep] a long [noun] | 36 |
|
| 5 | [modal v] [verb] [prep] a long time | 20 |
|
| 6 | [modal v] [verb] [prep] a long time | 18 |
|
| 7 | [modal v] [verb] [prep] [art] long time | 18 |
|
| 8 | [modal v] [verb] [prep] a long time | 18 |
|
