| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [prep] a period | 34 |
|
| 2 | [pers pn] [prep] a period | 22 |
|
| 3 | [pron] for a period | 13 |
|
| 4 | [pron] over a period | 9 |
|
| 5 | it [prep] a period | 8 |
|
| 6 | it [prep] a period | 8 |
|
| 7 | them [prep] a period | 5 |
|
| 8 | they [prep] a period | 5 |
|
