when I reaching for the cup

[rkatk]

Could you tell me why this sentence is incorrect? I think I saw this kind of structures on the net .

The cupboard was shaking when I reaching for the cup.

 

[tedmc]

Could you tell me why this sentence is incorrect? I think I saw this kind of structures on the net .

The cupboard was shaking when I was reaching for the cup.

You do not use the continuous tense without the verb is/was/are/were. You have that in the first part; what makes you think that it can be omitted it in the second?

 

[teechar]

I think I saw this kind of structure on the net .

Note the correction.

The cupboard was shaking when I [STRIKE]reaching[/STRIKE] reached for the cup.

Could that have been what you actually encountered?

 

[rkatk]

You do not use the continuous tense without the verb is/was/are/were. You have that in the first part; what makes you think that it can be omitted it in the second?

Because of "participial construction" , I thought it is possible.

 

[emsr2d2]

Because of "participial construction", I thought it [STRIKE]is[/STRIKE] was possible.

What do you mean by that?

Note my corrections above. Don't put a space before a comma.