Thanks for all the helps.
The explanation given by paco is clear, I copied and pasted as follows:
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2) I watched the day melt into night.
This is a correct sentence. To watch object do something is to observe carefully the scene that the object does the thing.
3) Leave me alone listen to something.
This is also a correct sentence. To leave object do something is to
![Idea [I]](/emoticons/emotion-55.gif)
allow the object to does the thing.
The verbs[1] allowed to take the construction "verb[1] + object + bare verb[2]" are;
1) perception verbs: see, hear, feel, listen to, look at, notice, observe, watch
2) causative verbs: make, have, let, leave, help
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That means whenever there are perceptive verbs and causative verbs, we can use the abovementioned contruction, i.e. the second verb can be in its infinitive form.
But this may not be the only structure, right?
Please consider these examples:
i. Tom got into his car and drove away. I saw this. I can say=>
I saw Tom get into his car and drive away.
ii. Yesterday I saw Matt. He was waiting for a bus. I can say =>
I saw Matt waiting for a bus.
If the two examples above are correct, then the second verb can take another form, depends on situation, therefore, there can be more than one tense-carrying verb per sentence, as opposed to Casi's explanation.
How many forms can we use for the second verb?
Thanks a lot!
Troy