use做名词时可数么 举个例子,可不可以说the opening of the swimming pool result

use做名词时可数么 举个例子,可不可以说the opening of the swimming pool result look当名词看讲时可不可数?可数时怎么用?举个例子 drop做名词时,有复数么,举个例子 lots of/a lot of 后面接可数名词时谓语用复数,接不可数名词时,谓语用单数.这句话举个例子 off the 举个例子 He went to the clothes shop 可不可以说clothes做名词定语 shop做宾语吖 look做名词可不可数 need做名词need作名词时可不可数? at the swimming pool和in the swimming pool There are a lot of swimming in the pool. A l of people are swimming in the pool. Look,many children___( come) to the swimming pool ___they of