| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for a continuous period [prep] | 5 |
|
| 2 | [adv] for a continuous period of | 5 |
|
| 3 | [adv] for a continuous period [prep] | 5 |
|
| 4 | [adv] for a continuous period [prep] | 5 |
|
| 5 | [adv] for a continuous period of | 5 |
|
| 6 | apart for a continuous period [prep] | 5 |
|
| 7 | apart for a continuous period [prep] | 5 |
|
