| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] [adv] a [noun] | 31 |
|
| 2 | be [prep] [adv] a [noun] | 29 |
|
| 3 | be [prep] [adv] a [noun sg] | 29 |
|
| 4 | be [prep] [adv] a [noun] | 27 |
|
| 5 | be at [adv] a [noun] | 19 |
|
| 6 | be at [adv] a [noun] | 19 |
|
| 7 | be [prep] least a [noun] | 18 |
|
| 8 | be [prep] least a [noun] | 18 |
|
| 9 | be [prep] [adv] a week | 5 |
|
| 10 | be [prep] [adv] a week | 5 |
|
