French language Q&A Forum

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This doesn't come very naturally to me at all. How do I know which verbs should be followed by "à" and thus use lui in these affirmative commands?

Which is right and why?

ce sont des trains.

ou 

ces sont des trains.

Yes “finissait” is the right answer here, but the verb “terminer” is more appropriate here.

In the last section covering: Il manque [quelque chose] à [qulequ’un/quelque chose/] there are two sentences that do not make use of “à”. The last one, in particular, has me stumped: “Il va manquer une chaise pour ton oncle.” What rule is this following? The impersonal examples below don’t seem to explain it. 

There seem to be too many concepts under a single heading that don’t appear to apply to them all.

so I was doing a quiz on Kwiziq and the question was "C'est amusant." means: to which I answered "it is funny". It gave me an 'almost there' mark and I don't get why. It says the right one is 'This is funny'. 

Maintenant, il faut que nous attendions Noël !