| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [prep] be [verb] for | 124 |
|
| 2 | had [prep] be [vb pp] for | 122 |
|
| 3 | [verb] [prep] be used for | 52 |
|
| 4 | have [prep] be used for | 15 |
|
| 5 | [vb past] [prep] be used for | 13 |
|
| 6 | had [prep] be used [prep] | 11 |
|
| 7 | had [prep] be used [prep] | 11 |
|
| 8 | had [prep] be used for | 5 |
|
| 9 | had [prep] be used for | 5 |
|
| 10 | had [prep] [be] used for | 5 |
|
| 11 | had [prep] be use for | 5 |
|
