| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a period [prep] [art] [adj] | 35 |
|
| 2 | [prep] a period [prep] [art] [adj] | 35 |
|
| 3 | for a period [prep] [art] [adj] | 14 |
|
| 4 | for a period [prep] [art] [adj] | 14 |
|
| 5 | over a period [prep] [art] [adj] | 13 |
|
| 6 | over a period [prep] [art] [adj] | 13 |
|
| 7 | [verb] a period [prep] [art] [adj] | 6 |
|
| 8 | a [adj] period [prep] [art] [adj] | 54 |
|
| 9 | a [adj] period [prep] [art] [adj] | 50 |
|
| 10 | a [noun] period [prep] [art] [adj] | 8 |
|
| 11 | a [noun sg] period [prep] [art] [adj] | 8 |
|
| 12 | a long period [prep] [art] [adj] | 7 |
|
| 13 | a long period [prep] [art] [adj] | 6 |
|
| 14 | a period [verb] [prep] [art] [adj] | 7 |
|
| 15 | a period [prep] which [art] [adj] | 8 |
|
| 16 | a period [prep] [pron] [art] [adj] | 8 |
|
| 17 | a period [prep] [Wh det] [art] [adj] | 8 |
|
| 18 | a period [prep] which [art] [adj] | 8 |
|
| 19 | a period [prep] [art] [adj] [adj] | 10 |
|
| 20 | a period [prep] [art] [adj] [adj] | 8 |
|
| 21 | a period [prep] [art] [adj] [noun] | 26 |
|
| 22 | a period [prep] [art] [adj] [noun pl] | 15 |
|
| 23 | a period [prep] [art] [adj] [noun sg] | 11 |
|
| 24 | a period [prep] [art] [adj] [adj] | 10 |
|
| 25 | a period [prep] [art] [adj] [num] | 6 |
|
| 26 | a period [prep] [art] [adj] years | 5 |
|
| 27 | a period [prep] [art] [adj] and | 5 |
|
| 28 | a period [prep] [art] [adj] [conj] | 5 |
|
| 29 | a period [prep] [art] [adj] [coord] | 5 |
|
| 30 | a period [prep] [art] [adj] and | 5 |
|
