Student or Learner
COLLINS ENGLISH USAGE says to use a singular verb after 'loads/heaps/masses/tons of UNCOUNT NOUN'. But I searched the BNC and the CAE and found most (almost all) of the results are with a plural verb, as in:
The wheat fields are heavily irrigated about four times each year, he explains, and each time heavy loads of nitrogen are washed into the sea.
How do you native speakers use these phrases practically?
Thanks in advance.
If there is an amount, or number stated, as in
Ex: 20000--25000 tons of oil per year (e.g., that amount) is spilled and soaked into the ground