So if you're using 'could' for polite requests, it doesn't have to be conditional right?Both 1. and 2. are polite requests.
Are these correct? What do they mean?
1. I could do that for you. (Suggestion? Is this correct? Does it have to be conditional? If so, why?)
2. I can do that for you. (Ability?)
4. Don't worry, he could do that for you. (Does this mean suggestion and possibility? If I use 'could' does it have to be conditional here? If so, why?)
5. Don't worry, he can do that for you. (Does this mean fact and ability?)
6. Could you do this for me? That would be great. (Is 'could' functioning as politeness here? What is 'would' acting as?
7. Couldyou do this for me? That will be great. (What does 'will' here mean?)
What do #6 and #7 mean?
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