Andy can (hear / hearing) his sister laughing.
Molly can see (butterfly / butterflies) flying.
Molly can see butterflies flying.
go to school / eight o’clock. / before / needs / Andy/ to
Andy needs to go to school before eight o'clock.
barking./ can/ a / We/ dog / hear
We can hear a dog barking.
Lisa (wants / wants to) take a walk after school.
Lisa wants to take a walk after school.
I can see ______________.
I can see a mosquito flying.
The children (need / needs) to finish (her / their) homework before dinner.
The children need to finish their homework before dinner.