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English grammar

What + clause + is... (what-clefts)

Highlight the important thing using a what-clause.

From the scene What worries me most

In short

To highlight the key thing, start with What + subject + verb, then is: What worries me most is the speech.

Your turn

Which one goes with puts the focus at the end?

Options: what you have to do is practise · what worries me most is the speech · what worries me most

Show answer

puts the focus at the end → what worries me most is the speech

How it works

To highlight the most important thing, start with What + subject + verb, then is + the thing: what worries me most is the speech.

Your turn

Pick the word that fits the line.

For you. (blank) embarrasses me is speaking in public.

Options: What · That · Who

Show answer

For you. What embarrasses me is speaking in public.

Para ti. Lo que me da vergüenza es hablar en público.

Good to know

This puts the important information at the end of the sentence.

what + clause = 'the thing that' what worries me most

Tomás

What worries me most is the speech.

Lo que más me preocupa es el discurso.

Your turn

What fills the gap?

(blank) is the speech.

Options: What worries me most · What you have to do is practise · What I can't do is keep still

Show answer

Tomás

What worries me most is the speech.

Lo que más me preocupa es el discurso.

puts the focus at the end what worries me most is the speech

Tomás

What worries me most is the speech.

Lo que más me preocupa es el discurso.

Your turn

What fills the gap?

(blank).

Options: What worries me most is the speech · What you have to do is practise · What I can't do is keep still

Show answer

Tomás

What worries me most is the speech.

Lo que más me preocupa es el discurso.

also works with have to what you have to do is practise

Javi

What you have to do is practise with me.

Lo que tienes que hacer es practicar conmigo.

Your turn

What fills the gap?

(blank) with me.

Options: What worries me most · What worries me most is the speech · What you have to do is practise

Show answer

Javi

What you have to do is practise with me.

Lo que tienes que hacer es practicar conmigo.

a negative version what I can't do is keep still

Javi

Me? I'm Colombian. What I can't do is keep still.

¿Yo? Soy colombiano. Lo que no sé es quedarme quieto.

Your turn

What fills the gap?

Me? I'm Colombian. (blank).

Options: What worries me most is the speech · What I can't do is keep still · What worries me most

Show answer

Javi

Me? I'm Colombian. What I can't do is keep still.

¿Yo? Soy colombiano. Lo que no sé es quedarme quieto.

Practise it in the story

Meet this rule inside a short animated scene. Answer as it plays, then say the lines yourself.

Practise free in the app
See all forms
What + clause + is... (what-clefts)
what + clause = 'the thing that'what worries me most
puts the focus at the endwhat worries me most is the speech
also works with have towhat you have to do is practise
a negative versionwhat I can't do is keep still
More lines from the story
  • TomásFor you. What embarrasses me is speaking in public.Para ti. Lo que me da vergüenza es hablar en público.
  • TomásNow what worries me most... is the best man!Ahora lo que más me preocupa... ¡es el padrino!
  • NuriaTomás, what is it that worries you most about the wedding?Tomás, ¿qué es lo que más te preocupa de la boda?

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