| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | services have to [be] | 9 |
|
| 2 | services have [prep] be | 9 |
|
| 3 | services have [prep] be | 9 |
|
| 4 | services have [prep] [be] | 9 |
|
| 5 | services have [prep] [be] | 9 |
|
| 6 | services have to [be] | 9 |
|
