1 Complete the article about Nathan Wolfe with the present simple form of the verbs.
N athan W o lfe is a scientist and he 1 (w o rk) all over
th e w o rld . He 2 (specialise) in virus and diseases
and he o fte n 3 (go) to places w ith health problem s.
In particular, h e 4 (study) viruses and diseases fro m
anim als. It's an im p o rta n t jo b because he 5 (w a n t)
to kn o w h o w these viruses m ove fro m anim als to hum ans
and h o w w e can stop th e m in th e fu tu re . As a result, N athan
6 (spend) a lo t o f tim e in regions w ith w ild life.
In th e m odern w o rld , h u m a n s 7 (n o t / stay) in
one place anym ore and so n ew viruses a ls o 8 __ __
(travel) m ore easily. W h e n h u m a n s 9 (vi
w ith w ild life (fo r exam ple, in Africa), th e y 10
(n o t / realise) h o w easy it is to bring a n ew kind o f disease back
w ith th em .
However, th e m odern w o rld w ith its techn ology also
11 (help) N athan w ith his w o rk . For exam ple,
in central Congo m any people 12 (n o t / have)
electricity or running w ater, b u t a m obile phone allows N athan
to continue his life-saving w o rk.
Glossary
disease (n) /dizi:z/ an illness that affects humans and animals
virus (n) /vai'rss/ a small living thing that enters a human body
and makes you ill
3 Pronunciation /s/f /z/ and /iz/
.1 Listen to the final -s and -es in these verbs.
Write the verbs in the table. Listen again and repeat.
has helps is realises specialises spends
stays studies travels visits w ants
o
► SPELL CHECK p resent sim ple {he/she/it) verb endings
We normally add -s to most verbs in the present simple third person. However, note these exceptions.
• Add -es to verbs ending in -ch, -o, -s, -ss, -sh and -x: watch -» watches.
• For verbs ending in -y after a consonant, change the -y to -/ and add -es: study -* studies.
• have and be have irregular forms.
2 Look at the spell check box. Then rewrite the verbs in the present simple third-person form.
1 start 5 live 2 w atch 6 study 3 fly 7 finish
4 pass 8 relax
4 Write questions about Nathan Wolfe and his work using the present simple.
1 (where / Nathan / work )
?
All over the world.
2 (where / he / often / go)
7
To places with health problems.
3 (what / he / find and study)
7
Virus and diseases from animals.
4 (where / he / spend / a lot of time)
7
In regions with wildlife.
5 (why / new viruses / travel more easily)
7
Because humans travel all over the world. 6 (what / he / need / for his work)
7
Modern technology.
7 (many people / have / electricity and running water)
7
No, they don't.
8 (how / Nathan / communicate)
7
With a mobile phone.