помогите сделать текст Present Perfect or Present Perfect Continuous. как их построить правильно
вот вам предложения
1) Sheila ... (go) to the bazaar. She'll be back in an hour.
2) You look sweaty! ... (you/work) out?
3) How much ... (Helen/spend) on her English books?
4) The house smells wonderful! ... (Mum/bake) a cake?
5) How long ... (Tom /savr) to buy a new PC?
6) Robin ... (never / be) abroad.
7) He ... (work) very hard recently. He needs some time off.
8) We ... ( not/buy) all our Christmas presents yet.
9) Joy ... (clean) the house since 9 o'clock. Can you give her a hand?
10) .... ( you/ ever/ eat) Thai food?

спасибо вам огромное!!!

очень просто, если действие уже закончилось и нам важен результат то это презент перфект, если действие уже шло какое-то время и нам важно его существование ЭТОГО действия, то тогда континьес1) has gone2) Have you been working out?3) Has Helen spent4)Has mum been baking5) has Tom been saving6)has never been7) has been working8) haven't bought9) has been cleaning10) Have you ever eaten