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← Grammar reference

MODALITY

Adjectives with to and that

Many adjectives are followed by a to-infinitive or a that-clause: it is easy to learn, I am sure that he is right.

+ to + verb+ that clause
+It is easy to learnIt is important that you come
−It isn't easy to learnIt isn't important that you come
?Is it easy to learn?Is it important that you come?

Who it is true for: easy for me to learn · Feelings + to: glad, happy, surprised to hear · sure, certain, afraid + (that) clause · Negative after the adjective: wise not to wait

A2

I'm sure (that) ...

New

After sure, certain and afraid use a clause. That is often left out. Do not add of, to or about.

I am+ sure+ (that)+ clause

  • I'm sure he will come.
  • I'm afraid I can't help you.
  • I'm sure about he will come.
  • I'm sure he will come.

Quick Check

1/4

Choose the form

I am   he will win.

B1

It is easy to ... / for me to ...

New

Use it is + adjective + to + base verb to comment on an action. Add for + person to say who it is true for.

It is+ adjective+ (for me)+ to + base verb

  • It is easy to learn English online.
  • It is hard for me to wake up early.
  • It is easy learn English.
  • It is easy to learn English.

Quick Check

1/4

Choose the form

It is   to travel alone.

B1

It is important that ...

New

Use it is + adjective + that + clause to say what is important, obvious or true. That can be left out.

It is+ adjective+ that+ clause

  • It is important that you arrive on time.
  • It is obvious that he is tired.
  • It is obvious to he is tired.
  • It is obvious that he is tired.

Quick Check

1/4

Type the answer

It is important that you on time tomorrow.

B2

Glad to see you, surprised to hear

New

Use subject + be + adjective + to + base verb to say how you feel about something or what you are ready to do.

subject+ be+ adjective+ to + base verb

  • I was surprised to see him there.
  • We are ready to start.
  • I was surprised see him.
  • I was surprised to see him.

Quick Check

1/4

Type the answer

We were surprised the news.

C2

It is wise not to ...

New

Put not before to when the advice is negative: be + adjective + not to + base verb.

It is+ adjective+ not+ to + base verb

  • It is important not to forget your ticket.
  • She was wise not to say anything.
  • It is important to don't forget your ticket.
  • It is important not to forget your ticket.

Quick Check

1/4

Put in order

Tap the words in the order of the sentence.