| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] used | 161 |
|
| 2 | it was [adv] used | 72 |
|
| 3 | it be also used | 49 |
|
| 4 | it be often used | 22 |
|
| 5 | it be still used | 20 |
|
| 6 | it be only used | 16 |
|
| 7 | it 's [adv] used | 16 |
|
| 8 | it be now used | 11 |
|
| 9 | it be widely used | 9 |
|
| 10 | it be sometimes used | 8 |
|
| 11 | it be rarely used | 7 |
|
| 12 | it be frequently used | 7 |
|
| 13 | it be generally used | 6 |
|
| 14 | it be commonly used | 6 |
|
| 15 | it be mainly used | 5 |
|
| 16 | it be much used | 5 |
|
