| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] period [prep] | 2408 |
|
| 2 | [adj] period of | 1517 |
|
| 3 | [adj] period of | 1517 |
|
| 4 | [adj] period in | 309 |
|
| 5 | [adj] period in | 309 |
|
| 6 | long period [prep] | 278 |
|
| 7 | short period [prep] | 220 |
|
| 8 | [adj] period for | 113 |
|
| 9 | [adj] period for | 113 |
|
| 10 | brief period [prep] | 85 |
|
| 11 | [adj] period from | 74 |
|
| 12 | [adj] period from | 74 |
|
| 13 | [adj] period to | 61 |
|
| 14 | [adj] period to | 61 |
|
| 15 | [adj] period after | 42 |
|
| 16 | [adj] period after | 42 |
|
| 17 | initial period [prep] | 37 |
|
| 18 | transitional period [prep] | 36 |
|
| 19 | [adj] period at | 36 |
|
| 20 | whole period [prep] | 36 |
|
| 21 | [adj] period at | 36 |
|
| 22 | prolonged period [prep] | 36 |
|
| 23 | fixed period [prep] | 35 |
|
| 24 | lengthy period [prep] | 35 |
|
| 25 | [adj] period during | 34 |
|
| 26 | [adj] period during | 34 |
|
| 27 | limited period [prep] | 32 |
|
| 28 | early period [prep] | 31 |
|
| 29 | considerable period [prep] | 29 |
|
| 30 | [adj] period before | 27 |
|
