| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a period of [art] few | 14 |
|
| 2 | a period [prep] [art] few | 14 |
|
| 3 | a period [prep] [art] few | 14 |
|
| 4 | a period of [art] few | 14 |
|
| 5 | a period [prep] [art] few | 14 |
|
| 6 | a period [prep] a few | 14 |
|
