| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] period [prep] [noun sg] the | 18 |
|
| 2 | [prep] [art] period of [noun sg] the | 15 |
|
| 3 | [prep] a period [prep] [noun sg] the | 9 |
|
| 4 | [prep] the period [prep] [noun sg] the | 9 |
|
| 5 | over [art] period [prep] [noun sg] the | 7 |
|
| 6 | during [art] period [prep] [noun sg] the | 7 |
|
| 7 | during [art] period [prep] [noun sg] the | 7 |
|
| 8 | over [art] period [prep] [noun sg] the | 7 |
|
| 9 | [prep] [art] period [prep] time the | 6 |
|
