The present perfect tense vs The present perfect continous tense.
1. Joe is happy.His wife (just/have) a baby. 2.Tim's worried because his daughter (not/come) home yet and it's already after midnight. 3.I(lose) my wallet .I can't find it anywhere. 4. I (learn) English for 7 years now . 5. Look at him! His hands are dirty because he (work) in the garden.