-3
votes
3answers
122 views

Can I use the word “not” after a preposition?

Can I write something like: among people from that country and among people from not I know it can be easily rewritten as: among people that are from the country and among people that are ...
0
votes
3answers
2k views

Is it proper to use “that” instead of “at which” to refer to speed?

On a physics assignment, I believe that these sentences are grammatically incorrect, but some other students disagree (especially on the second one). What is the maximum speed that the mass can be ...
1
vote
2answers
2k views

Position of prepositions in questions and clauses

I would like to know if there is any rule to know where prepositions should be placed in questions or clauses. For example, I have heard many sentences and some of them put the preposition in the ...