| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to be useful | 54 |
|
| 2 | [adj] to be useful | 24 |
|
| 3 | [adj] to be useful | 22 |
|
| 4 | [vb pp] to be useful | 21 |
|
| 5 | [noun] to be useful | 18 |
|
| 6 | [adv] to be useful | 14 |
|
| 7 | [noun sg] to be useful | 13 |
|
| 8 | likely to be useful | 12 |
|
| 9 | likely to be useful | 12 |
|
| 10 | [vb infin] to be useful | 11 |
|
| 11 | [v-ing] to be useful | 10 |
|
| 12 | [adv] to be useful | 9 |
|
| 13 | going to be useful | 7 |
|
| 14 | go to be useful | 7 |
|
| 15 | prove to be useful | 6 |
|
| 16 | [vb past] to be useful | 6 |
|
| 17 | find to be useful | 6 |
|
| 18 | found to be useful | 6 |
|
| 19 | enough to be useful | 5 |
|
| 20 | [noun pl] to be useful | 5 |
|
| 21 | prove to be useful | 5 |
|
| 22 | [be] to be useful | 5 |
|
| 23 | be to be useful | 5 |
|
| 24 | enough to be useful | 5 |
|
| 25 | to be [adv] useful | 59 |
|
| 26 | to be [adv] useful | 59 |
|
| 27 | to be [art] useful | 20 |
|
| 28 | to be [art] useful | 20 |
|
| 29 | to be a useful | 19 |
|
| 30 | to be a useful | 19 |
|
