| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it may [adv] [be] observed | 9 |
|
| 2 | it may [adv] [be] observed | 9 |
|
| 3 | it may also [be] observed | 5 |
|
| 4 | it may also [be] observed | 5 |
|
| 5 | it may [be] observed that | 16 |
|
| 6 | it may [be] observed [conj] | 16 |
|
| 7 | it may [be] observed that | 16 |
|
| 8 | it may [be] observed [that] | 16 |
|
