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You are given a block of text which explains the theory of this concept.
Once you have read the theory, do the exercises given below to test how well you have understood the ideas.
How to do the Exercises:
You are given a set of words.
You are also given some sentences with input boxes, and you are required to use the words to complete the sentences correctly.
You can put your chosen word into the input box by first clicking on the word and then in the input box.
The word will appear in the input box.
If it is correct, it will go green, and if not, it will go red.
JUST, YEST, STILL and ALREADY
1 There are many ways of expressing time in a sentence in English.
JUST, YEST, STILL and ALREADY are often used with the present perfect tense although yet, still and already can all be used with other tenses.
JUST is usually used only with the present perfect tense and it means 'a short time ago'.
In the PRESENT PERFECT, JUST comes between the auxiliary verb (have') and the past participle.
I have JUST eaten.
YET is used to talk about something which is expected to happen. It means at any time up to now'. It is used in questions and negatives. YET usually comes at the end of the sentence.
I have not eaten YET.
STILL is used to talk about something that hasn't finished especially when we expected it to finish earlier. STILL usually comes before the verb.
i've been waiting for over an hour and the bus still hasn't come.
ALREADY is used to say that something has happened early or earlier than it might have happened. It usually comes between the auxiliary verb (have') and the past participle.
I have ALREADY eaten.
2 BEFORE means earlier than a particular time, and UNTIL means up to a certain point in time.
3 DURING is used to refer to something that happens over a period of time, and it is closely connected to WHILE.
AS SOON AS
4 We use AS SOON AS to show that something happens immediately, i.e. at the very moment another action is completed', or shortly after another action is completed'.
5 Both TAKE and LAST are used to indicate the duration of an event, and the question form to identify duration is HOW LONG.
Specific moments in time can be identified by using AT THE TIME OF or WHEN.
Undefined duration can also be expressed by using A LONG TIME
Notice: QUITE and FAIRLY are used as modifiers to describe A LONG TIME.
AFTER and FOLLOWING are sometimes used to mean the same thing, to identify the next action.
He called me AFTER his test.
He called me FOLLOWING his test.
We had to finish all the work before we could leave.
We had to stay (1) all the work.
Nobody spoke for about five minutes.
It was about five minutes (2) anything.
While I was on holiday, a lot of interesting things happened to me.
During (3) a lot of Interesting experiences.
On arriving at an airport, I usually go straight to the check-in desk.
I usually go straight to the check-in desk as (4) to an airport.
Dinner will be served Immediately upon our arrival at the hotel.
Dinner will be served (5) at the hotel.
How long is your journey from home to work?
How long (6) get from home to work?
The problem was that I hadn't expected it to take so long to get to the airport.
The problem was that (7) had expected to get to the airport.
Jim spent ages tidying up his room.
It (8) up.
I was driving home from work when the accident happened.
I was driving home from work (9) the accident.
It's a fairly long time since I last watched this programme.
I haven't watched this programme (10) time.
Do you you want to have dinner following the show?
How about having (11) show.