Unless you land in deep water, you will most likely die after that fall!
yes
You would use "fall" because "to fall" is the infinitive and you use the uninflected version. "Fell" is the past tense of "fall," but you are not using past tense here. "Fell" can also be a transitive verb meaning to cause (something else) to fall. If you chop down a tree, you fell the tree, but the tree falls.
The verb in this case is "to fall" and "fell" actually is the past tense.In the other tenses, you would say 'You will fall', 'You are falling', 'He falls', 'They fall'.
Maybe this would be better: She fell down and landed in a bucket of water. :D
You might get hurt.
Fell
30 hours
yes
You would have to fast for 40 days.
I fell down and
Literally it means to cut something until it falls down, like a tree, so figuratively it means to "fell" someone, usually with a sarcastic or "cutting" remark.
Because she fell in love with him.