| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [prep] a | 17791 |
|
| 2 | be [prep] a | 17788 |
|
| 3 | are [prep] [art] | 6562 |
|
| 4 | [am/are] [prep] a | 2533 |
|
