| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] a period of | 424 |
|
| 2 | [noun sg] [prep] a period of | 424 |
|
| 3 | [noun sg] after a [noun] of | 190 |
|
| 4 | [noun sg] after a [noun sg] of | 172 |
|
| 5 | [noun] after a period of | 31 |
|
| 6 | [noun sg] after a period [prep] | 28 |
|
| 7 | [noun sg] after a period [prep] | 28 |
|
| 8 | [noun sg] after [art] period of | 23 |
|
| 9 | [noun sg] after a period of | 23 |
|
| 10 | [noun sg] after a period of | 23 |
|
| 11 | [noun sg] after a period of | 23 |
|
