| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | long period [prep] | 546 |
|
| 2 | long period of | 421 |
|
| 3 | long period of | 421 |
|
| 4 | long period [prep] | 278 |
|
| 5 | long periods [prep] | 268 |
|
| 6 | long period in | 43 |
|
| 7 | long period in | 43 |
|
| 8 | long period without | 16 |
|
| 9 | long period without | 16 |
|
| 10 | long period during | 13 |
|
| 11 | long period during | 13 |
|
| 12 | long period with | 9 |
|
| 13 | long period with | 9 |
|
| 14 | long period at | 9 |
|
| 15 | long period at | 9 |
|
| 16 | long period between | 7 |
|
| 17 | long period between | 7 |
|
| 18 | long period before | 6 |
|
| 19 | long period before | 6 |
|
