| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he [be] at a | 50 |
|
| 2 | he be at a | 50 |
|
| 3 | he was at a | 36 |
|
| 4 | he [was/were] at a | 36 |
|
| 5 | he [is] at a | 13 |
|
| 6 | he 's at a | 10 |
|
