Are these sentences correct?

[dilodi83]

Are they all correct?

1) I doubted the package would be here before Friday.
2) I doubted if the package will be here before Friday.

1) I think we cannot be asking that much of him.
2) I think it is asking too much of him.
3) I think it is that might be asking that much of him.

[bhaisahab]

Are they all correct?

1) I doubted the package would be here before Friday. OK.
2) I doubted if the package will be here before Friday. No.

1) I think we cannot be asking that much of him. No.
2) I think it is asking too much of him. OK.
3) I think it is that might be asking that much of him. No.

Bhai.

[freezeframe]

1) I think we cannot be asking that much of him.

You can rephrase this as: I think we cannot ask that much of him.