| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] the time span | 5 |
|
| 2 | [prep] the time span | 5 |
|
| 3 | the [adj] time span | 7 |
|
| 4 | the time span [prep] | 8 |
|
| 5 | the time span [prep] | 8 |
|
| 6 | the time span of | 6 |
|
| 7 | the time span of | 6 |
|
