| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [adv] a year | 84 |
|
| 2 | [vb past] [adv] a year | 51 |
|
| 3 | [verb] once a year | 43 |
|
| 4 | [verb] twice a year | 42 |
|
| 5 | [verb] about a year | 26 |
|
| 6 | [verb] over a year | 24 |
|
| 7 | [verb] almost a year | 22 |
|
| 8 | meet [adv] a year | 21 |
|
| 9 | [vb -s] [adv] a year | 20 |
|
| 10 | [to-vb] [adv] a year | 17 |
|
| 11 | take [adv] a year | 15 |
|
| 12 | [vb base] [adv] a year | 14 |
|
| 13 | [vb infin] [adv] a year | 14 |
|
| 14 | [v-ing] [adv] a year | 14 |
|
| 15 | [verb] only a year | 11 |
|
| 16 | [verb] nearly a year | 11 |
|
| 17 | [verb] just a year | 10 |
|
| 18 | spend [adv] a year | 9 |
|
| 19 | meets [adv] a year | 8 |
|
| 20 | do [adv] a year | 8 |
|
| 21 | last [adv] a year | 7 |
|
| 22 | publish [adv] a year | 7 |
|
| 23 | wait [adv] a year | 7 |
|
| 24 | die [adv] a year | 6 |
|
| 25 | update [adv] a year | 6 |
|
| 26 | come [adv] a year | 6 |
|
| 27 | take [adv] a year | 5 |
|
| 28 | lasted [adv] a year | 5 |
|
| 29 | published [adv] a year | 5 |
|
| 30 | died [adv] a year | 5 |
|
