that'll
pron. A2 Elementary thatll
pron. a short way of saying 'that will'. You use it to talk about what will happen in the future or what is likely to be true.
pron. a contraction of the demonstrative pronoun 'that' and the modal verb 'will'. Used to indicate future certainty or to express a logical consequence.
Don't worry, that'll be fine.
If we leave now, that'll give us enough time to catch the train before it departs.
While some critics argue the policy is too strict, proponents believe that'll be the only way to ensure long-term stability in the region.
Usage
Primarily used in spoken English and informal writing; the apostrophe replaces the letters 'wi'.
Pitfall
that'll of beenthat'll have beenLearners sometimes confuse the sound of 'have' in a contraction with the preposition 'of'.