They have a big nature r... there with elephants and lions and everything.
reserve
Yes, I have. I ... there four or five times, actually. (go)
I've been
The global birth r... has been falling steadily over recent years.
rate
I haven't worked here very long.
I haven't been working here very long.
I ... work weekends, but sometimes I do.
(it isn't necessary/ have to)
I don't have to work weekends, but sometimes I do.
There's an old t... that you can climb up. You get a great view from the top.
tower
Yes, I have. I ... it there. It ... so beautiful! (love/be)
I loved it there. It was so beautiful!
I heard they've started doing more r... into the causes of grey hair.
research
How long have you lived here?
How long have you been living here?
We ... to do a first aid course, but I just thought it might be useful.
(no obligation/ require)
We're not required to do a first aid course, but I just thought it might be useful.
You can go on a guided t... round the old castle there.
tour
No, never, but it ... great. (suppose)
No, never, but it's supposed to be great.
Several cities are at r... of running out of drinking water sometime soon.
risk
The birth rate has risen dramatically over recent years.
The birth rate has risen dramatically over recent years.
We ... to use social media during work hours.
(weak obligation/ suppose)
We're not supposed to use social media during work hours.
The city is famous for its ancient r... .
remains
No, never, but I ... there next summer, actually. (think/go)
No, never, but I'm thinking of going there next summer, actually.
They're promising to i... more in technology for schools.
invest
I've been there six or seven times.
I've been there six or seven times.
We ... really make personal phone calls at work, but people sometimes do.
(not a good idea/ should)
We shouldn't really make personal phone calls at work, but people sometimes do.
There's an ancient Buddhist t... in the forest that you can visit.
temple
No, but I ... there next month, actually. (go)
No, but I'm going there next month, actually.
They're going to s... more on helping scientists to explore space.
spend
I've always loved history.
I've always loved history.
We ... start work any time between 8 and 11, but if we start later, we have to finish later.
(permission)
We can start work any time between 8 and 11, but if we start later, we have to finish later.