| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] for a [adj] period [prep] | 30 |
|
| 2 | [adv] for a [adj] period [prep] | 25 |
|
| 3 | apart [prep] a [adj] period [prep] | 10 |
|
| 4 | apart [prep] a [adj] period [prep] | 10 |
|
| 5 | apart for [art] [adj] period [prep] | 5 |
|
| 6 | apart for a [adj] [noun] [prep] | 5 |
|
| 7 | apart for a [adj] [noun sg] [prep] | 5 |
|
| 8 | apart for a [adj] period [prep] | 5 |
|
| 9 | apart for a [adj] period [prep] | 5 |
|
| 10 | apart for [art] [adj] period [prep] | 5 |
|
| 11 | apart for a [adj] period [prep] | 5 |
|
| 12 | apart for a [adj] period [prep] | 5 |
|
