The use of BOTH and ALL Both / Both the: to refer to two particular people or things (plural countable nouns) -
Both / both of the children are in the bed. Both/ both the cars are fast.
All / All the: All + noun: to refer to things in general -
All children like to play. (countable) All advice is useless (uncountable)
All of: to refer to particular people or things. -
All the children in our street like to play All the advice you gave me was useless.
BOTH and ALL word order with verbs They have 3 basic positions in affirmative sentences. A. With the verb TO – BE: After the verb - The girls are both ready = Both girls/ both the girls are ready. - The girls are all ready. = All the girls are ready. B. With Auxiliary verbs. After the auxiliary - The girls can both speak English = Both/ both the girls can speak English. - The committee should all have = all the committee should have resigned. C. Main verbs: Before the verb - The girls both left early - The girls all left early
= both / Both the girls left early = all the girls left early
None of and Neither of 1. None of is the negative of All the - All the girls left early = none of the girls left early 2. Neither of is the negative of Both the - Both the girls left early = neither of the girls left early.
Neither/nor are used in negative sentences meaning, not this one and not the other. Neather … nor: She neather smokes nor drinks Neither coffee nor tea." "I'm sorry but neither size 6 nor 7 are available."