In Present tenses^x, Difference between^x, Countable nouns^x

1. Here is a sentence from the key "But I hope you know what you're doing" I'm wondering... Can we say "I'm hoping" or rather not? and is it totally incorrect or in other contexts it would be ok? Grammatically it's okay, but "I hope" sounds more natural to me at the moment. 2. Just tell me if I'm...

Hi folks! I know that I have A LOT OF questions... but I hope someone can at least take a look at them... let's start. I've got some dobuts about the following : (all examples come from Michael Vince's 'Advanced Language Practice') 1. Here is a sentence from the key "But I hope you know...