| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] to use | 19 |
|
| 2 | is [adv] to use | 19 |
|
| 3 | was [adv] to use | 13 |
|
| 4 | are [adv] to use | 12 |
|
| 5 | be not to use | 11 |
|
| 6 | be not to use | 11 |
|
| 7 | be [not/n't] to use | 11 |
|
| 8 | be [Wh adv] to use | 9 |
|
| 9 | be [adv prt] to use | 9 |
|
| 10 | be how to use | 9 |
|
| 11 | be how to use | 9 |
|
| 12 | be about to use | 8 |
|
| 13 | be about to use | 8 |
|
| 14 | be also to use | 5 |
|
| 15 | be also to use | 5 |
|
