| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a long [noun] of | 507 |
|
| 2 | [prep] a [noun] of time | 332 |
|
| 3 | a long [noun] of time | 109 |
|
| 4 | [prep] long [noun] of time | 63 |
|
