英文(ought to)

1.You see a crippled man carrying a heavy bag.
I ought to help him carry the bag.
2.You are getting on a bus and a blind man is behind you.
I ought to let him get on the bus first.

.You see a crippled man carrying a heavy bag.
I ought to help him and carry the heavy bag for him.
... ...
2.You are getting on a bus and a blind man is behind you.
I ought to let him get on the bus first and ensure he gets on the bus safely... ...

1. You see a crippled man carrying a heavy bag.
I ought to carry the heavy bag for him.
2. You are getting on a bus and a blind man is hehind you.
I ought to help him to get on the bus safely.

1. I ought to give him a helping hand.
2. I ought to guide him to get on the bus.