| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [adv] a | 1908 |
|
| 2 | are [adv] a | 1495 |
|
| 3 | [be] perhaps a | 227 |
|
| 4 | be perhaps a | 227 |
|
| 5 | are perhaps [art] | 76 |
|
| 6 | [am/are] perhaps a | 18 |
|
| 7 | are perhaps a | 17 |
|
