1- ladies
2- woman
3- dresses
4- first
5- second
6- two
7- second
8- teeth
9- shelves
10- those
11- these
12- this
13- that
14- lives
1- had discovered
2- was discovered
3- was/ would go
4- were (хотя можно was, но грамматически were тут правильнее)
5- was walking / blew
6- cut/ was making
7- is making
8- have make
9- stood/ left
10- did/ do /. Was studying
11- was studying
12- has already studied
13- did you hear
14- heard
15- lost
16- belong
17- was
надеюсь все правильно)