Помогите образовать causative form

1) Have you asked them to install a burglar alarm for you?

2) Did the detective order the constable to follow the suspect?

3) Has the chauffeur been driving Mary's kids to school for years?

Choose the right tense form. Nina has been learning/has learned English for 2 years. The birds have already flown/have been flying to the South. They have known / have been knowing him for many years.

What did have in they Middle Ades Example: Did they have tape-recorders? - No, they didn't. Did they have have ships? - Yes, they did. 1. Did they have televisions? 2. Did they have big castles? 3. Did they have gadens? 4. Did they have books? 5.

A. Read the sentences and say how can form negations in present perfect I have been to London We have been to Washington You have been to Boston They have been to Chicago She has been to Australia He has been to the USA I have not been to Moscow We

He asked them if they had ever been to London. "Don't you eat ice-cream at all, Mr. Drake?" Mrs. Green asked. "Whill you try once more?"she asked me. I asked, "Are you ill, Jack?" "When did you meet him last?" My brother asked.

7. I have (lost/been loosing) my note-book. Have you (seen/been seeing) it anywhere? 8. Someone has (eaten/been eating) my sweets. They are nearly all gone. 9. I have (waited/been waiting) for you for ages! Where have you been? 10.