1.
A: Can I help you?
B: I'm just looking, thanks.
2.
A: Are you looking for anything in particular?
B: Do you sell hats?
3.
A: Do you have a larger size in one of these?
B: I'll just have a look.
4.
A: Can I try on these?
B: Yes, here is the fitting room.
5.
A: Are you paying by cash or credit card?
B: By credit card.
6.
A: Can you enter your PIN?
B: Yes, of course.
Clumsy and big,
He sleeps in a den in the winter.
Loves cones, loves honey,
Well, who calls?
1. Is there a flower on the table?
2. Are there many books in your bag?
3. Is there a bus-stop near his house?
4. There are many pupils at the school concert.
5. There is a big tree near my house.
6. There are many funny animals at the Zoo.
7. There isn't a cloud in the sky.
8. There isn't a teacher in the class.
9. There isn't a boy in the room.
1. His parents have never enjoyed travelling by sea. - Present Perfect
By that time his parents had already enjoyed travelling by sea. Past Perfect
By Christmas his parents will have enjoyed travelling by sea. - Future Perfect
2. Susan has never travelled by train. - Present Perfect
Susan had travelled by bus. - Past P. (=Perfect)
By the end of the month Susan will have travelled by train. - Future P
3. Her friends have just travelled by bus round Europe. - Present P
By that time her friends had just travelled by bus round Europe. - Past P.
By the end of the week her friends will have travelled by bus round Europe. - Future P.
4, They have just arrived. - Present P.
By that time they had already arrived. - Past P.
They will have arrived by the end of the week. - Future P.
