I have learn a new kind of sentence but I get confused with these verbs "arrive, get on" in the following sentences:
1. I was happy when I saw my mother arrive.
2. He was angry when he saw his mother get on the wrong bus.
Why we don't use past form of these verbs because the action happened in the past?
Is it correct to say those sentences like this?
1. I was happy when I saw my mother arrived.
2. He was angry when he saw his mother got on the wrong bus.
Thank a lot!
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