To-infinitives are often used after adjectives expressing ideas such as desires and emotions.
Study the sentences given below.
- I was glad to see him again.
- She was surprised to find him in her room.
- She is afraid to be alone.
- He is eager to know his results.
- They are anxious to hear from their son.
- She was impatient to hear the news.
- I am happy to accept the invitation.
- She was anxious to leave.
To-infinitives are also used after words like easy, hard, impossible, difficult etc.
- The rug is difficult to wash.
- This book is easy to read.
- Your actions are impossible to justify.
- Metaphysics is hard to understand.
- His essays are difficult to understand.
- This medicine is pleasant to take.
- Coconut water is sweet to taste.
It + be + adjective + to-infinitive
- It is easy to learn English.
- It is difficult to find a job in this scenario.
- It is cruel to treat animals in that way.
- It was impossible to justify his actions.
It + be + adjective + of + noun/pronoun + to-infinitive
- It is kind of you to help us.
- It was clever of him to solve that puzzle.
- It is careless of you to make such silly mistakes.
- It was unwise of me to lend him money.
- It was foolish of him to reject that offer.
- It is wicked of you to say such things.