| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | essential [conj] [noun pl] [am/are] to be | 5 |
|
| 2 | essential [conj] [noun pl] [be] to be | 5 |
|
| 3 | essential [conj] [noun pl] are to be | 5 |
|
| 4 | essential [conj] [noun pl] be to be | 5 |
|
| 5 | essential [subord] [noun pl] [be] to be | 5 |
|
| 6 | essential if [noun pl] [be] to be | 5 |
|
| 7 | essential if [noun pl] [be] to be | 5 |
|
| 8 | essential [conj] [noun pl] [be] to be | 5 |
|
