Present simple, present continuous, present perfect or present perfect continuous? 1.you(look) well today? you(have) a good night? 2.she(appear) to be sad. she might(hear) about the accident. 3.you(know) deborah? - she(come) for dinner tomorrow. 4.who is that man! he(follow) us for the past twenty minutes. 5.what sport they(practice)? they look great!

1 You don't look well today. Have you had a good night?
2 She appeared to be sad. She might have heard about the accident.
3 Do you know Deborah?  She's coming for dinner tommorrow.
4 Who is that man? He's following us for the past twenty minutes.
5 What sport do they practice? They look great!