| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for long periods | 269 |
|
| 2 | for short periods | 85 |
|
| 3 | for brief periods | 14 |
|
| 4 | for prolonged periods | 12 |
|
| 5 | for extended periods | 11 |
|
| 6 | for lengthy periods | 9 |
|
| 7 | for considerable periods | 8 |
|
| 8 | for limited periods | 7 |
|
| 9 | for varying periods | 6 |
|
| 10 | for fixed periods | 5 |
|
| 11 | for substantial periods | 5 |
|
| 12 | for certain periods | 5 |
|
