---- Did Mary come to the party? ---- I don’t know. She _____ while I was out.

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didn't need to come needn't have come shouldn't have come needn't have to come

what Mary will do what will Mary do what Mary did what did Mary do

shouldn’t have come needn’t have to come didn’t need to come needn’t have come

will take part in; will be takes part in; is will take part in; is takes part in; will be

did Mary read ; did she notice did Mary; she noticed Mary read; did she notice Mary read; does she notice

So Mary did　　 So Mary does So Mary was　 So did Mary

make up with keep up with put up with come up with

would like to invite would have liked to invite must have invited could invite

Mary does Mary did does Mary did Mary

admitted intended agreed promised

away from thanks to owe to due to

So Mary did　　 So Mary does So Mary was So did Mary

will Mary come here Mary will come here is Mary coming here can Mary come here

will take part in; will be takes part in; is will take part in; is takes part in; will be

what Mary does what does Mary do what Mary did what did Mary do

will take part in; will be takes part in; is will take part in; is takes part in; will be

may have come must have come might come could come

will take part in; is takes part in; is will take part in; will be takes part in; will be