He (be) happier if he (stay) at home
2. She (pass) the exam if she(study) harder.
3. They(be) late if they (not/take) a taxi.
4. I (cal) you if I (not/forget) my phone
5. We (come) if we (be) invited
6. She (not/meet) him if she (not/come) to London
7. We (not/ get) married if we (not/go) to the same university.
1. Will have been, had stayed
2. Will have passed, had studied
3. Will have been, hadn't taken
4. Will have called, hadn't forgotten
5. Will have come, had been
6. Won't have met, hadn't come
7. Won't have got, hadn't gone