| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a period [prep] | 700 |
|
| 2 | [noun sg] [prep] a period [prep] | 461 |
|
| 3 | end [prep] a [noun] [prep] | 222 |
|
| 4 | end [prep] a [noun sg] [prep] | 215 |
|
| 5 | end [prep] [art] period [prep] | 40 |
|
| 6 | end [prep] a period [prep] | 12 |
|
| 7 | end [prep] a period [prep] | 12 |
|
| 8 | end [prep] a period [prep] | 12 |
|
