Using the passive infinitive (to be + past participle) instead of the active (to + infinitive)

Using the passive infinitive (to be + past participle) instead of the active (to + infinitive)

Don’t Say:
English isn’t easy to be learned.

Say:
English isn’t easy to learn.

Note:
The adjectives easy, difficult, hard, heavy, good, etc., are generally followed by the active infinitive.