| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the first time [prep] 15 [noun pl] | 7 |
|
| 2 | the first time [prep] 15 [noun pl] | 7 |
|
| 3 | the first time [prep] 15 years | 7 |
|
| 4 | the first time in 15 [noun pl] | 7 |
|
| 5 | the first time in 15 [noun pl] | 7 |
|
