Can-Must Grammatical use and exercises. Agronomy vocabulary.

1. MODAL VERBS
CAN – COULD – MAY – MIGHT – WILL – WOULD – SHOULD –
MUST, entre otros.

2. CONCEPT:
 Los verbos modales son verbos auxiliares o auxiliares
especiales que son usados con los verbos regulares e
irregulares para hablar sobre posibilidad, habilidad,
obligación, certeza, pedido y permiso.

3. MEANING AND FUNCTIONS
MODAL VERB MEANING EXAMPLE
ABILITY HE CAN DIG THE LAND
STRONG POSSIBILITY YOU CAN CAUSE AN
ELECTRIC SHOCK IF
CAN (PODER YOU DON’T CONNECT
INFORMAL) THE POWER CORD
WELL.
PERMISSION CAN I USE YOUR
SHOVEL, PLEASE?
NECESSITY YOU MUST GET TO
MUST CLASSES ON TIME
PROHIBITION YOU MUST NOT SMOKE
IN THE CLASSROOM

4. GRAMMAR STRUCTURES: AFFIRMATIVE
OR POSITIVE
I
YOU
HE
SHE CAN USE INSECTICIDES.
IT MUST
WE
THEY

5. GRAMMAR STRUCTURES: NEGATIVE
I
YOU
HE
SHE CAN’T USE INSECTICIDES.
IT MUSN’T
WE
THEY

6. GRAMMAR STRUCTURES:
INTERROGATIVE
I
YOU
HE
CAN SHE BE A GOOD AGRONOMY ENGINEER?
MUST IT
WE
THEY

7. COMPLETE WITH APPROPIATE MODAL
VERBS
1. She……………………..……. run very quickly. She is
very talented.
2. The farmer…………….……...go to the vet if his animals
are sick.
3. You………………………….. not put damaged
insecticide in your farm.
4. They…………………sell their production in the
International Company.
5. My friend……………… write good recommendations
to get better prizes.

8. TRANSLATE THE FOLLOWING
SENTENCES INTO SPANISH
1. IT MUST BE ALSO COMPATIBLE WITH OTHER
INSECTICIDES.
2. FRUITS MUST BE STORED IN A COOL PLACE.
3. EVERYONE CAN USE THE NEW IRRIGATION
SYSTEM.
4. THEY MUST REPLACE THE FAULTY COMPONENT.
5. THE ENGINEER CAN REPAIR THE MACHINE.