Dear all,

Kindly tell me which of the following sentences are grammatical.

1) All you have to do is try your best.

2) All you have to do is to try your best.

3) He was lucky to escape serious injury.

4) He was lucky to escape with serious injury.

Thank you.


1, 2 and 3 are all acceptable. 4 is not.


In the US, you'd typically say:

"Just try your best."

"He was lucky to escape without serious injury."

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 Rover_KE's reply was promoted to an answer.
Thanks a lot.
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