| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] average [noun] of | 271 |
|
| 2 | [prep] [art] [noun] time of | 31 |
|
| 3 | [art] average [noun] time of | 7 |
|
| 4 | [prep] [art] average [noun] time | 6 |
|
