| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] [adv] [adv] a year | 13 |
|
| 2 | be [vb pp] [adv] [adv] a year | 13 |
|
| 3 | [am/are] [vb pp] [adv] [adv] a year | 5 |
|
| 4 | are [vb pp] [adv] [adv] a year | 5 |
|
| 5 | [vb pp] [prep] [adv] [adv] a year | 10 |
|
| 6 | [vb pp] [prep] [adv] [adv] a year | 10 |
|
| 7 | [vb pp] at [adv] [adv] a year | 8 |
|
| 8 | [vb pp] at [adv] [adv] a year | 8 |
|
| 9 | [vb pp] [adv] [adv] a year [adv] | 5 |
|
| 10 | [vb pp] [adv] [adv] a year [adv] | 5 |
|
