| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] [adv] a [noun] | 159 |
|
| 2 | be [prep] [adv] a [noun sg] | 157 |
|
| 3 | be [prep] [adv] [art] year | 8 |
|
| 4 | be [prep] [adv] a year | 8 |
|
| 5 | [be] [prep] [adv] a year | 8 |
|
