all sorts of
fixed phr..fixed phr.. A way to say 'many different kinds of' something. You use it to show there is a big variety.
fixed phr.. indicating a wide variety of items within a category
The market sells all sorts of fresh fruit.
We ran into all sorts of problems with the new software update.
The investigation uncovered all sorts of corruption, from petty bribery among junior officials to vast embezzlement schemes at the highest levels of government.
Quantifier phrase followed by a plural or uncountable noun.
Point out that 'all kinds of' is an exact, interchangeable synonym; both phrases emphasize variety more than 'many' or 'a lot of'.
He has all sort of problem.He has all sorts of problems.Both 'sorts' and the noun that follows it should be plural to show variety.