1. I have helped an elementary school student to cross a street.
2. I have helped an old man to find a drug store.
3. I have helped an old lady to find her daughter's apartment.
4. I have helped a blind man to buy things at a supermarket.
5. I have helped a drowning boy to come out of the water.
6. I have helped a woman to get to a fire station.
7. I have helped a foreigner to go to the immigration office.
(Are the students all grammatical? Would you check errors in the sentences?)
1. I have helped an elementary school student cross a street.
2. I have helped an old man find a drug store.
3. I have helped an old lady find her daughter's apartment.
4. I have helped a blind man buy things at a supermarket.
5. I have helped a drowning boy come out of the water.
6. I have helped a woman get to a fire station.
7. I have helped a foreigner go to the immigration office.
The word "to" in the infinitive form is omitted in this particular construction.