| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] period | 6873 |
|
| 2 | [adj] periods | 1733 |
|
| 3 | long period | 1008 |
|
| 4 | short period | 542 |
|
| 5 | post-war period | 247 |
|
| 6 | brief period | 159 |
|
| 7 | transitional period | 133 |
|
| 8 | inter-war period | 125 |
|
| 9 | limited period | 101 |
|
| 10 | prolonged period | 91 |
|
| 11 | extended period | 90 |
|
| 12 | whole period | 89 |
|
| 13 | modern period | 86 |
|
| 14 | historical period | 85 |
|
| 15 | five-year period | 84 |
|
| 16 | different period | 83 |
|
| 17 | early period | 81 |
|
| 18 | lengthy period | 80 |
|
| 19 | certain period | 78 |
|
| 20 | particular period | 76 |
|
| 21 | medieval period | 74 |
|
| 22 | fixed period | 74 |
|
| 23 | three-year period | 68 |
|
| 24 | initial period | 66 |
|
| 25 | postwar period | 63 |
|
| 26 | specified period | 63 |
|
| 27 | given period | 57 |
|
| 28 | two-year period | 56 |
|
| 29 | interim period | 55 |
|
| 30 | considerable period | 55 |
|
