WHEN DO YOU USE CAN AND WHEN DO YOU USE CAN’T? We use CAN in We use CAN’T in affirmative sentences negative sentences to express abilities. to express inabilities.CAN and CAN’T are not followedby “to”. When we use CAN/CAN’TExample: with “he - she – it” theYou CAN play the piano. (correct) verbs don’t change.I CAN jump rope. (correct) Example:She CAN to play the piano. She can play the piano.(incorrect) He can’t dance salsa.He CAN’T to fly. (incorrect)
HOW MANY FORMS ARETHERE TO WRITE “CAN” IN NEGATIVE?There are 3 forms. The most common is:CAN’T , but there are two more: CANNOT orCAN NOT.
EXERCISES I. Complete the sentences with CAN and CAN’T. CAN CAN’T1. A cat _______ climb trees, but it _______ fly. CAN CAN’T2.You _______ buy stamps at the post office, but you _______ buy shoes there. CAN’T CAN3. A fish _______ walk, but it _______ swim. CAN CAN’T4. I _______ write with a pen, but I _______ write with a paper clip. CAN CAN’T5. A Dog _______ bark, but it _______ sing. CAN CAN’T6. Trees _______ produces oxygen, but rocks _______ . CAN’T CAN7. I _______ read a book by moonlight, but I _______ read in sunlight. CAN CAN’T8. My tiny baby _______ cry, but he _______ talk. CAN’T CAN9. Fishes _______ live in air but, they _______ live in the water. CAN’T CAN10. You _______ ride on the back of a cat, but you _______ ride on the back of a horse.
II. LOOK AT THE BOX AND WRITE SENTENCES. DIANA LEONARDO ACTIONS CAN CAN’T CAN CAN’T RUN VERY FAST X 1. SING A SONG X 2. PLAY GOLF X 3. SPEAK CHINESE X 4. READ IN PORTUGUESE X 5. PAINT A PICTURE X 6. DANCE MARINERA X EXAMPLE: - Diana can run very fast but Leonardo can’t.1. Diana can’t sing a song but Leonardo can. 4. Diana can read in Portuguese but Leonardo can’t.2. Diana can play golf but Leonardo can’t. 5. Diana can’t paint a picture but Leonardo can.3. Diana can’t speak Chinese but Leonardo 6. Diana can dance marinera but Leonardocan. can’t.
INTERROGATIVE FORM AND SHORT ANSWERS (+) (-)HOW DO YOU FORM A QUESTION BY USING CAN?MODAL + PRONOUN + VERB + COMPLEMENT + QUESTION MARK CAN YOU PLAY THE PIANO ? YES, I CAN NO, I CAN’T (AFFIRMATIVE ANSWER) (NEGATIVE ANSWER) CLICK
EXERCISESI. Write questions by using the words in brackets.EXAMPLE: CAN SHE PLAY THE GUITAR? (She, play the guitar) 1. (he,sing a song) CAN HE SING A SONG? 2. (they, speak French) CAN THEY SPEAK FRENCH? CAN YOU MAKE A CAKE? 3. (you, make a cake) CAN WE SWIM? 4. (we, swim) CAN SHE PLAY GOLF? 5. ( she, play golf) CAN THE BIRD FLY? / CAN IT FLY? 6. ( the bird, fly)