| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] a [num] year | 248 |
|
| 2 | [noun sg] [prep] a [num] year | 174 |
|
| 3 | [verb] [prep] a [num] year | 116 |
|
| 4 | [vb pp] [prep] a [num] year | 62 |
|
| 5 | [noun pl] [prep] a [num] year | 51 |
|
| 6 | [adj] [prep] a [num] year | 41 |
|
| 7 | [adv] [prep] a [num] year | 22 |
|
| 8 | [v-ing] [prep] a [num] year | 15 |
|
| 9 | [adj] [prep] a [num] year | 15 |
|
| 10 | [noun prp] [prep] a [num] year | 15 |
|
| 11 | [num] [prep] a [num] year | 15 |
|
| 12 | [adv prt] [prep] a [num] year | 11 |
|
| 13 | [vb infin] [prep] a [num] year | 10 |
|
| 14 | [vb past] [prep] a [num] year | 9 |
|
| 15 | [vb -s] [prep] a [num] year | 9 |
|
| 16 | [adv] [prep] a [num] year | 9 |
|
| 17 | year [prep] a [num] year | 8 |
|
| 18 | [pron] [prep] a [num] year | 8 |
|
| 19 | [be] [prep] a [num] year | 7 |
|
| 20 | [n mass] [prep] a [num] year | 7 |
|
| 21 | [conj] [prep] a [num] year | 7 |
|
| 22 | be [prep] a [num] year | 7 |
|
| 23 | [vb base] [prep] a [num] year | 6 |
|
| 24 | [num ord] [prep] a [num] year | 6 |
|
| 25 | come [prep] a [num] year | 5 |
|
| 26 | return [prep] a [num] year | 5 |
|
| 27 | [is] [prep] a [num] year | 5 |
|
| 28 | [to-vb] [prep] a [num] year | 5 |
|
| 29 | [prep] [verb] a [num] year | 10 |
|
| 30 | [prep] [v-ing] a [num] year | 10 |
|
