| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be used [adv] [prep] | 39 |
|
| 2 | it is used [adv] [prep] | 22 |
|
| 3 | it was used [adv] [prep] | 11 |
|
| 4 | it be used [adv] for | 9 |
|
| 5 | it be used [adv] for | 9 |
|
| 6 | it be used [adv] in | 8 |
|
| 7 | it be used [adv] in | 8 |
|
| 8 | it be used [adv] as | 6 |
|
| 9 | it be used [adv] as | 6 |
|
| 10 | it be used mainly [prep] | 6 |
|
| 11 | it be used extensively [prep] | 6 |
|
