When the nouns are plural, you should use a plural verb 'All these problems are.
However, prepositional phrases are also used instead of there or over there.
This is used to describe a singular countable noun and these is used with plural countable nouns.
Will work wonders in our advanced class!! Yuk, isi nomormu pada kolom berikut! The friend is wearing a dress.
That was the best day of my life.
Thank you for the flowers.