Открыть скобки, поставить глагол в сослагательное наклонение:
I wish I (not to spend) so much money yesterday.
If a spaceship were lighter, the cost of its launching rocket (to reduce) considerably.
If this system detected an equipment malfunction then signals regarding the defect (to transmit) to a ground station.

dear students and teachers,

today at 15/00 p.m. i found a purse in school cafeteria.it is a black wallet. it has 50 uah and flash card for 4 gbt. return for moneytary compensation. my contact: +3809595959595959

так лучше будет)

1 i am not ambitious at all.

2. kate is mean a bit.

3. henry is a quite tolerant person.

4. toby is slightly shy.

5. my brother is quite impatient.

я пишу, чтобы претендовать на должность гид лета,которая была объявлена на этой недели в редакции "еженедельный вестник."

a. spends

b. do you look for something

c. have not

d. does not like, but i love it

e. bought. do you like them?

f. were working, when the second world was started

g. has come, is living, met, was learning