Sometimes they succeed, and sometimes they don't.
Success is not guaranteed.
They always succeed.
The bird is about to land on the tree to feed its babies.
some women standing in a park
The frescoes in the Archaeological Museum in Iraklion depict only abstract art and modern scholars haven't yet figured out what they mean.
No one knows where dinosaurs originated from.
the girl has on pants and a shirt.
She never does any of those things you are talking about.