| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | after a [noun] | 5454 |
|
| 2 | after a [noun sg] | 5187 |
|
| 3 | [prep] a period | 2137 |
|
| 4 | [prep] a period | 2137 |
|
| 5 | after [art] period | 185 |
|
| 6 | after [art] period | 185 |
|
| 7 | after a period | 175 |
|
| 8 | after a period | 175 |
|
| 9 | after a period | 175 |
|
