| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] a [noun] of | 2925 |
|
| 2 | [noun sg] a [noun sg] of | 2832 |
|
| 3 | [noun sg] [art] period of | 20 |
|
| 4 | [noun sg] [art] period of | 20 |
|
| 5 | [noun] a period of | 18 |
|
| 6 | [noun sg] a period of | 13 |
|
| 7 | [noun sg] a period of | 13 |
|
| 8 | [noun sg] a period [prep] | 13 |
|
| 9 | [noun sg] a period [prep] | 13 |
|
| 10 | [noun sg] a period of | 13 |
|
