Select the grammatically correct form of the given sentence from the following options.
I have searched high and low for my glasses but it seemed to have disappeared.
1
I have searched high and low for my glasses but seemed to have disappeared.
2
I have searched high and low for my glasses but it seem to have disappeared.
3
I have searched high and low for my glasses but they seemed to have disappeared.
4
I had searched high and low for my glasses but it seemed to have disappeared.