Question Words before to-infinitive - E92

Front

What is a 'wh-word'?

Back

A 'wh-word' is a word used to ask questions or introduce clauses, such as who, what, where, when, why, and how.

Front

What is a to-infinitive?

Back

A to-infinitive is the base form of a verb preceded by 'to', used to express purpose or intention, e.g., 'to eat', 'to run'.

Front

How do you form a sentence using 'wh-word + to-infinitive'?

Back

You combine a 'wh-word' with a to-infinitive to create a question or statement about intention, e.g., 'I don't know how to solve this problem.'

Front

Rewrite: 'They wondered how they could deal with this problem.'

Back

They wondered how to deal with this problem.

Front

Complete: 'He was not sure _________.' (Should we call her now?)

Back

He was not sure whether to call her now.

Front

What is the purpose of using 'wh-word + to-infinitive'?

Back

It helps to express uncertainty or inquiry about actions or decisions.

Front

Rewrite: 'He's not sure when he should start the computer.'

Back

He's not sure when to start the computer.

Front

What does 'who to invite' imply?

Back

It implies uncertainty about the choice of people to invite.

Front

Complete: 'It will rain either today _________ tomorrow.'

Back

or.

Front

What is the structure of a question using 'wh-word + to-infinitive'?

Back

The structure typically follows: 'wh-word + to + base verb', e.g., 'what to do'.