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