| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the first time [prep] [num] | 424 |
|
| 2 | first time [prep] [num] years | 181 |
|
| 3 | the first time [prep] years | 45 |
|
| 4 | the first [prep] [num] years | 18 |
|
