| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] period | 6873 |
|
| 2 | [det] period | 3553 |
|
| 3 | this period | 1795 |
|
| 4 | this period | 1795 |
|
| 5 | same period | 778 |
|
| 6 | same period | 778 |
|
| 7 | long period | 673 |
|
| 8 | that period | 667 |
|
| 9 | that period | 667 |
|
| 10 | long period | 498 |
|
| 11 | short period | 438 |
|
| 12 | short period | 388 |
|
| 13 | [adj -er] period | 386 |
|
| 14 | [num ord] period | 280 |
|
| 15 | post-war period | 243 |
|
| 16 | post-war period | 243 |
|
| 17 | [num] period | 223 |
|
| 18 | early period | 163 |
|
| 19 | longer period | 154 |
|
| 20 | any period | 140 |
|
| 21 | any period | 140 |
|
| 22 | transitional period | 132 |
|
| 23 | transitional period | 132 |
|
| 24 | brief period | 128 |
|
| 25 | brief period | 126 |
|
| 26 | inter-war period | 124 |
|
| 27 | inter-war period | 124 |
|
| 28 | one period | 101 |
|
| 29 | one period | 101 |
|
| 30 | limited period | 88 |
|
