Here you can find some grammar explanation then 6 different tasks to practise the interrogative sentences (yes-no) in present perfect. You can find the B&W version on page 3-4 and the key on the last. Hope you find it useful. Have a nice day. Hugs, Zsuzsapszi 

present-perfect-tense-interrogative-sentence-eleme-grammar-guides_11526.doc

Present Perfect Tense - interrogative sentence * elementary * grammar guide + 6 task * with key * fully editable *** B&W

present-perfect-tense-interrogative-sentence-elementary-grammar-guide-6-task-with-key-fully-editable-bw

Let's do English ESL grammar guide. Here you can find some grammar explanation then 6 different tasks to practise the interrogative sentences (yes-no) in presen…