Page 39 - Full Solutions 2nd Intermediate Student Book_Neat

X ffi Read the text. What is the scientific study trying & Comptete the sentences with the present perfect
to find out? How would you summarise the results? continuous form of the verbs below.
W riri,:lr .a:.'. ,)'3? r,.ri; r..'{};l; r'or!

that computer game for hours. Haven't
1 You
you finished yet?
l1f evin Wilson is not usuolly o fon of compuler 2 I feel sick. I chocolates att day!
I\gomes, but recently he hos been ploying one 3 I'm sure you'[[ pass your exams; you _ a[[ term.
-
porticulor gome o lot. ln foct, he's been ploying it 4 Who my orange juice? My glass is hatf empty!
every doy for six weeks. lt's o speciol kind of gome 5 Luke isn't Lady Gaga's cousin - he _ your [eg.
-
which is designed to increose broinpower by giving 6 The weather's great. We _ shorts every day.
the ployer mentol exercises.
'l'm definitely improving,' he soys. 'l've been getting ffim& &e&Mffi,&m m*il[}frm &"?: s&**:134 m
much better scores recently.' $ Read the Leorn this! box. Find two examples in exercise 1 of
Wilson is one of .'l.l,000 volunteers who hove been
the present perfect simple which describe actions that are
toking port in o scientific study orgonised by o
finished and complete.
Combridge scientist colled Adrion Owen. lts
purpose is to find out if broin- n&
troining reolly woiks. Holf of #: >-. /P- Present perfect simpte or present perfect continuous?
the volunteers hoven't been We use the present perfect simple, not continuous:
using the broin-troining 1 if the action is finished and complete.
progroms of oll; they've I've written a letter. I'm going to post it now.
been surfing the lnternet 2 ifwe want to say how often an action has happened.
insteod. She's broken her leg three times.
Owen hos conducted 3 with state verbs (like, Iove, know, etc.).
severol studies of this kind, l've known Joe for yeors. /
ond they hove oll shown tW+nowing Joe for years. X
the some thing: broin-troining
hos o smoll posiiive effect on & Complete the emailwith the present perfect simple or
mentol obilities, but surfing present perfect continuous form of the verbs in brackets.
the lnternet is just os good!

Hi Tom! So, we're halfway through the summer holiday.
X Look at the verbs in red in the text. Complete the rule. 1- you [enjoyJ it? Aunt Vera 2
fstavl with us. Dad and Aunt Vera 3 never
We form the present perfect continuous with (likeJ each other. They 4-
1- 2 [not have] any big
have f + + the -ing form of the verb. arsuments vet. but that's nrobablv because Dad s
(snend l his eveninss un in the attic! He savs he 6
& (work), but when I went up there, he was making a model
Read the Leorn this! box. Complete the examples with the 7
aeroplane. He (makeJ about ten of them - they're
correct form of the present perfect continuous.
all on his desk.
Present perfect contin uous
We use the present perfect continuous to tatk about: ffi f;RAe,le*A$l &{Jlt*i:R &"3r l3A&H:1$ ffi
1 an action that began in the past and is stil[ in
progress. We often use for or since to say how long it f ffi worl<in pairs.
Student A: Make a comment from the tist (1-5).
has been in progress.
we 1- (play) tennis for an hour. Student B: Give a reason, using the present perfect simple
2-you or continuous.
How long (wait)? Since
midday. You look
2 an action that has recently stopped and which 1 ... confused. 3 ... pleased. 5 ... fed up.
exptains the present situation. 2 ... tired. 4 ... guitty.
-
l3 (carry) these heavy bags. That's why l'm
tired.

Unit4 * Bodyand mind 37
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