| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is being | 6339 |
|
| 2 | is is | 809 |
|
| 3 | is was | 74 |
|
| 4 | is be | 30 |
|
| 5 | is are | 22 |
|
| 6 | is were | 9 |
|
| 7 | is been | 7 |
|
