A lot of adults gave up on grammar long ago. They didn’t learn as much as they would have liked in school. Now there’s too much too learn. Amid a sea of gibberish about sentence-ending prepositions, ...
There is a general rule which says that when we use a reporting verb in the past, as above, the verbs used in the original speech are usually moved one tense further back. Thus: (Take care to use ...
Verbs have to agree with their subject: a plural subject requires a plural verb ('people are ...') and a singular subject requires a singular verb ('the woman is ...'). In many European languages, ...