| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | period [prep] | 9010 |
|
| 2 | period of | 5949 |
|
| 3 | period of | 5949 |
|
| 4 | period in | 838 |
|
| 5 | period in | 838 |
|
| 6 | period from | 371 |
|
| 7 | period from | 371 |
|
| 8 | period for | 316 |
|
| 9 | period for | 316 |
|
| 10 | period between | 221 |
|
| 11 | period between | 221 |
|
| 12 | period to | 204 |
|
| 13 | period to | 204 |
|
| 14 | period during | 145 |
|
| 15 | period during | 145 |
|
| 16 | period after | 143 |
|
| 17 | period after | 143 |
|
| 18 | period before | 115 |
|
| 19 | period before | 115 |
|
| 20 | period at | 100 |
|
| 21 | period at | 100 |
|
| 22 | period as | 90 |
|
| 23 | period as | 90 |
|
| 24 | period with | 82 |
|
| 25 | period with | 82 |
|
| 26 | period under | 80 |
|
| 27 | period under | 80 |
|
| 28 | period by | 71 |
|
| 29 | period by | 71 |
|
| 30 | period on | 57 |
|
