| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] [prep] a period of | 9 |
|
| 2 | [prep] [pron] [prep] a period of | 7 |
|
| 3 | [prep] [pron] [prep] a period of | 7 |
|
| 4 | [pron] [noun] [prep] a period of | 29 |
|
| 5 | [pron] [verb] [prep] a period of | 25 |
|
| 6 | [pron] [noun sg] [prep] a period of | 16 |
|
| 7 | [pron] [vb past] [prep] a period of | 15 |
|
| 8 | [pron] [noun pl] [prep] a period of | 13 |
|
| 9 | [pron] go [prep] a period of | 6 |
|
| 10 | [pron] [vb base] [prep] a period of | 5 |
|
| 11 | [pron] [prep] a [adj] period of | 14 |
|
| 12 | [pron] [prep] a [adj] period of | 11 |
|
| 13 | [pron] [prep] a period of [noun] | 9 |
|
| 14 | [pron] [prep] a period of [noun sg] | 8 |
|
| 15 | [pron] [prep] a period of [adj] | 7 |
|
| 16 | [pron] [prep] a period of time | 7 |
|
| 17 | [pron] [prep] a period of time | 7 |
|
| 18 | [pron] [prep] a period of [adj] | 5 |
|
