Yes, the word "person" can be made plural by saying "persons" or "people". However, the word "people" sometimes means "tribe"; therefore, it can be made plural by saying "peoples", meaning "tribes".
Correct grammar is Bob and I but most people use causal grammer and you and Bob is OK.
Two types. By saying there are two 'types' you are already stating that there are 2 differentthings and so the word 'different' isn't necessary.
It depends on context. For example, in a conversation between two people: Person #1: Those items are not for sale. Person #2: Which are? In that context, it is understood that "Which are?" means "Which items are for sale?"
"Both of whom" is correct grammar. It is used when referring to two people. For example, "I invited John and Mary, both of whom attended the party."
It can be correct when used correctly. I am a student of the English language, as are you.
Correct grammar is Bob and I but most people use causal grammer and you and Bob is OK.
The noun 'boss' is singular (one boss). The plural noun is bosses.The correct grammar is: Place the two bosses at the top.
two days' notice
Two types. By saying there are two 'types' you are already stating that there are 2 differentthings and so the word 'different' isn't necessary.
It depends on context. For example, in a conversation between two people: Person #1: Those items are not for sale. Person #2: Which are? In that context, it is understood that "Which are?" means "Which items are for sale?"
Arrived at two minutes before their cut off time is not a correct grammar.Is arrived at two minutes before their cut off time is not a correct grammar.
"Can we be friends," "Can you and he be friends"
The correct spelling/grammar is as well. It is two words, not one.
"Both of whom" is correct grammar. It is used when referring to two people. For example, "I invited John and Mary, both of whom attended the party."
with correct spelling and grammar.
It can be correct when used correctly. I am a student of the English language, as are you.
two sentences use correct grammar & spelling. Translate.google.com