| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] for a [adj] period | 169 |
|
| 2 | [noun sg] over a [adj] period | 156 |
|
| 3 | [noun sg] [prep] a long period | 102 |
|
| 4 | [noun sg] of a [adj] period | 41 |
|
| 5 | [noun sg] [prep] a short period | 32 |
|
| 6 | [noun sg] within a [adj] period | 26 |
|
| 7 | [noun sg] [prep] a specified period | 22 |
|
| 8 | [noun sg] [prep] a fixed period | 20 |
|
| 9 | [noun sg] after a [adj] period | 19 |
|
| 10 | [noun sg] during a [adj] period | 19 |
|
| 11 | [noun sg] [prep] a prolonged period | 17 |
|
| 12 | [noun sg] [prep] a particular period | 15 |
|
| 13 | [noun sg] in a [adj] period | 14 |
|
| 14 | place [prep] a [adj] period | 12 |
|
| 15 | [noun sg] [prep] a certain period | 12 |
|
| 16 | [noun sg] at a [adj] period | 11 |
|
| 17 | [noun sg] [prep] a limited period | 11 |
|
| 18 | [noun sg] [prep] a given period | 11 |
|
| 19 | [noun sg] [prep] a reasonable period | 9 |
|
| 20 | [noun sg] [prep] a lengthy period | 9 |
|
| 21 | [noun sg] [prep] a continuous period | 9 |
|
| 22 | end [prep] a [adj] period | 8 |
|
| 23 | [noun sg] [prep] a four-year period | 8 |
|
| 24 | [noun sg] [prep] a five-year period | 8 |
|
| 25 | [noun sg] [prep] a transitional period | 7 |
|
| 26 | [noun sg] [prep] a considerable period | 7 |
|
| 27 | [noun sg] [prep] a 24-hour period | 7 |
|
| 28 | basis [prep] a [adj] period | 7 |
|
| 29 | [noun sg] [prep] a brief period | 7 |
|
| 30 | [noun sg] with a [adj] period | 7 |
|
