| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is often [vb pp] to [be] | 50 |
|
| 2 | is often [vb pp] [prep] be | 50 |
|
| 3 | is often said [prep] [be] | 11 |
|
| 4 | is often considered [prep] [be] | 7 |
|
| 5 | is often seen [prep] [be] | 7 |
|
| 6 | is often taken [prep] [be] | 5 |
|
| 7 | is often thought [prep] [be] | 5 |
|
