| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be extended [prep] | 89 |
|
| 2 | to [be] extended [prep] | 89 |
|
| 3 | to be extended [prep] | 89 |
|
| 4 | to [be] extended to | 47 |
|
| 5 | to [be] extended in | 8 |
|
| 6 | to [be] extended into | 6 |
|
| 7 | to [be] extended throughout | 5 |
|
| 8 | to [be] extended beyond | 5 |
|
