| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun sg] at the | 365 |
|
| 2 | [was/were] a [noun sg] at the | 199 |
|
| 3 | was a [noun sg] at the | 197 |
|
| 4 | [is] a [noun sg] at the | 94 |
|
| 5 | is a [noun sg] at the | 64 |
|
| 6 | [be] a [noun sg] at the | 47 |
|
| 7 | be a [noun sg] at the | 47 |
|
| 8 | [be] a knock at the | 36 |
|
| 9 | 's a [noun sg] at the | 30 |
|
| 10 | [been] a [noun sg] at the | 15 |
|
| 11 | [be] a tap at the | 15 |
|
| 12 | been a [noun sg] at the | 15 |
|
| 13 | [be] a student at the | 12 |
|
| 14 | [be] a guest at the | 8 |
|
| 15 | [am/are] a [noun sg] at the | 7 |
|
| 16 | [be] a light at the | 6 |
|
| 17 | [be] a nurse at the | 6 |
|
| 18 | [be] a man at the | 5 |
|
| 19 | [be] a patient at the | 5 |
|
| 20 | [be] a door at the | 5 |
|
