| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a long time | 421 |
|
| 2 | keep [prep] a [adj] time | 7 |
|
| 3 | keep [prep] a long [noun] | 7 |
|
| 4 | keep [prep] a [adj] time | 7 |
|
| 5 | keep [prep] a long time | 5 |
|
| 6 | keep [prep] [art] long time | 5 |
|
| 7 | keep [prep] a long time | 5 |
|
| 8 | keep [prep] [art] long time | 5 |
|
