| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [verb] [prep] an [adj] | 444 |
|
| 2 | [am/are] [verb] at [art] [adj] | 316 |
|
| 3 | [am/are] [verb] at [art] [adj] | 316 |
|
| 4 | [be] [verb] at an [adj] | 221 |
|
| 5 | [am/are] [verb] at a [adj] | 112 |
|
