Желательно с переводом . зарвнее . if she (pass) the exam, she (be) able to enter university. she (be) happier if she (have) more friends. we (buy) a house if we (decide) to stay here. they (have) more money if they (not/buy) so many clothes. we (come) to dinner if we (have) time. she (call) him if she (have) his number. they (go) to spain on holiday if they (like) hot weather. she (pass) the exam if she (study) more.

If she passes exam she will be able to enter university(Если она сдаст экзамен,поступит в институт)
She will be happier if she has more friends (Она была бы счастливее,если бы имела больше друзей)
We will buy house if we decide to stay here (Мы б купили дом если бы решили остаться здесь)
They would have more money if they didn't buy so many clothes(У них было бы больше денег если они не купили бы много вещей)
We will come a dinner if we have a time(Мы придем к ужину если будет время)
She would call him if she had his number (Она бы позвонила если у неё был его номер)
They would go to Spain if they liked hot weather
She will pass exam if she studies more (Она сдаст экзамен если будет учиться больше)