| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [v-ing] [noun] a [noun sg] | 10 |
|
| 2 | be [adv] [verb] [n mass] a [noun sg] | 7 |
|
| 3 | be [adv] [verb] [noun] a year | 7 |
|
