| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [adj] period of | 223 |
|
| 2 | [noun sg] [prep] a [adj] period of | 164 |
|
| 3 | [verb] [prep] a [adj] period of | 137 |
|
| 4 | [vb pp] [prep] a [adj] period of | 87 |
|
| 5 | [adv] [prep] a [adj] period of | 57 |
|
| 6 | [noun pl] [prep] a [adj] period of | 48 |
|
| 7 | [adv] [prep] a [adj] period of | 46 |
|
| 8 | [adj] [prep] a [adj] period of | 23 |
|
| 9 | [conj] [prep] a [adj] period of | 17 |
|
| 10 | [pron] [prep] a [adj] period of | 14 |
|
| 11 | [vb past] [prep] a [adj] period of | 14 |
|
| 12 | [adj] [prep] a [adj] period of | 14 |
|
| 13 | [coord] [prep] a [adj] period of | 11 |
|
| 14 | [vb infin] [prep] a [adj] period of | 10 |
|
| 15 | [adv prt] [prep] a [adj] period of | 10 |
|
| 16 | [to-vb] [prep] a [adj] period of | 9 |
|
| 17 | only [prep] a [adj] period of | 9 |
|
| 18 | [pers pn] [prep] a [adj] period of | 9 |
|
| 19 | only [prep] a [adj] period of | 9 |
|
| 20 | [v-ing] [prep] a [adj] period of | 7 |
|
| 21 | end [prep] a [adj] period of | 7 |
|
| 22 | end [prep] a [adj] period of | 7 |
|
| 23 | [be] [prep] a [adj] period of | 6 |
|
| 24 | [vb -s] [prep] a [adj] period of | 6 |
|
| 25 | [n mass] [prep] a [adj] period of | 6 |
|
| 26 | be [prep] a [adj] period of | 6 |
|
| 27 | [det] [prep] a [adj] period of | 6 |
|
| 28 | apart [prep] a [adj] period of | 5 |
|
| 29 | place [prep] a [adj] period of | 5 |
|
| 30 | and [prep] a [adj] period of | 5 |
|
