| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | services be be | 44 |
|
| 2 | services be [being] | 43 |
|
| 3 | services be being | 43 |
|
| 4 | services are [be] | 26 |
|
| 5 | services were [be] | 10 |
|
| 6 | services is [be] | 6 |
|
