1. after

2. on

3. up

4. into

1. everybody have gone there

2. everybody are gone there

3. everybody has gone there

4. everybody has went there

1. ascertain

2. assertain

3. asertain

4. asartain

1. worry

2. reflect

3. inquire

4. comment

1. We should never see what has been done

2. We should never look at the things that are done.

3. We should look at the things that are done.

4. The things are done should not be overlooked.