| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [art] [adj] period of | 30 |
|
| 2 | [subord] [art] [adj] period of | 30 |
|
| 3 | [subord] [art] [adj] period of | 29 |
|
| 4 | [subord] a [adj] period of | 16 |
|
| 5 | [subord] a [adj] period of | 14 |
|
| 6 | [subord] the [adj] period of | 14 |
|
| 7 | [subord] the [adj] period of | 14 |
|
| 8 | after [art] [adj] period of | 13 |
|
| 9 | if [art] [adj] period of | 5 |
|
