I have several simple questions here
Hello, everyone!

Please, check the following sentences and answer the questions. They are not about grammar, but I have doubts about them.

Look at them! Their noses have burnt (by sun). They are red and they hurt when they are touched. (Can I say “they hurt when touched”?)

Cover your mouth when you cough. Or “when you are coughing”? Is here any difference between “when you cough” and “when you are coughing”? Or they are interchangeable?

I’ll play with you when I’ve finished washing the dishes.
We’ll go out when we’ve cleaned up.
... when you’ve cleaned up the mess.
... when you’ve cleaned up the mess from your table/the floor.
... when you’ve tidied your room.
... when you’ve tidied up.

What is the difference between “clean up” and “tidy up”?

Thank you very much for your help!

Question

I have several simple questions here
Hello, everyone!

Please, check the following sentences and answer the questions. They are not about grammar, but I have doubts about them.

Look at them! Their noses have burnt (by sun). They are red and they hurt when they are touched. (Can I say “they hurt when touched”?)

Cover your mouth when you cough. Or “when you are coughing”? Is here any difference between “when you cough” and “when you are coughing”? Or they are interchangeable?

I’ll play with you when I’ve finished washing the dishes.
We’ll go out when we’ve cleaned up.
                 ... when you’ve cleaned up the mess.
                 ... when you’ve cleaned up the mess from your table/the floor.
                 ... when you’ve tidied your room.
                 ... when you’ve tidied up.

What is the difference between “clean up” and “tidy up”?

Thank you very much for your help!

Answer

Their noses are sunburnt
They hurt when they are touched
Cover your mouth when you cough or when you are coughing are both correct!
There isn't a big difference between to clean up and to tidy up. They are interchangeable, but cleaning up makes me think of more cleaning while tidying up makes me think of picking up items

Answer

1) "Their noses have been burnt (by the sun). They are red and painful to the touch."

2) Both are correct, but "when you cough" means at the time this happens, and "when you are coughing" means during this time.

3) "Tidy" means putting things in order. "Clean" means removing dirt or rubbish. However, I think this is one case where the meanings can overlap.

Answers · 2

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