| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [prep] a period [prep] | 23 |
|
| 2 | [pron] [prep] a period [prep] | 23 |
|
| 3 | [pron] [prep] a period [prep] | 23 |
|
| 4 | [pron] [prep] a period of | 20 |
|
| 5 | [pron] [prep] a period of | 20 |
|
| 6 | [pers pn] [prep] a period [prep] | 16 |
|
| 7 | [pron] over a period [prep] | 7 |
|
| 8 | [pron] over a period [prep] | 7 |
|
| 9 | it [prep] a period [prep] | 6 |
|
| 10 | it [prep] a period [prep] | 6 |
|
| 11 | they [prep] a period [prep] | 5 |
|
| 12 | [pron] for a period [prep] | 5 |
|
| 13 | them [prep] a period [prep] | 5 |
|
| 14 | [pron] for a period [prep] | 5 |
|
