| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what is be | 334 |
|
| 2 | what is [be] | 334 |
|
| 3 | what is [being] | 321 |
|
| 4 | what is being | 321 |
|
| 5 | what is was | 9 |
|
| 6 | what is [was/were] | 9 |
|
