Exercise III. Complete the sentences with the correct form of have to. Use the verbs in brackets. 1. He has fallen ill, so he..have. go to the doctor (go). 2. I. have to. take. the dog out for a walk every morning (take). 3. You..have to du. the washing-up. I'll do it later (do). 4. .Had..you.wear.. a uniform when you were at school (wear)? 5. He..???. a business trip this weekend (not have). 6. She..have to finsh. her home work by Saturday because Monday is the deadline (finish). 7. The students.make has to.. this experiment in a special laboratory (make). 8. .Had..they..analyze. this data now (analyze)? 9. After finishing the experiments the students.discuss.. the results (discuss).
maskskinsite 1. have. go to the doctor (go).
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maskskinsite1. He has fallen ill, so he..have. go to the doctor (go).
"he have" is not good.
Also, the modal you must use is "have to". You left out the particle "to".
You must learn the correct forms of "have to." The first word changes with tense, person and number. The second word "to" does not change.
maskskinsite
maskskinsite1. He has fallen ill,
This is unusually formally. Many native speakers would not be so formal.