Put the verbs in brackets into Perfect Simple or Perfect Continuous
1.we (work) all day before you came
2.how long (read) you this book
3.they are tired . they (walk) seven kilometers
|| complete the sentences
1.if it doesnt stop raining
2.if you had taken my advice
3.i would find this shop
допоможіть будь ласка або хочаб обясніть як зробити цю непонятку

1. have been working2. have you been reading3. have been walking1.we shall stay at home2.  you would not have had problems3. if I had a map