1.   She leaned the ladder against the house and climbed up to the window.

2.   Can you then lean a ladder against it?

3.   I leaned my ladder against a wall close to the nearest window and climbed up.

4.   I leaned the ladder by another high window and climbed up.

5.   Leaning a ladder directly against the gutters can bend or damage them.

6.   The third leg adds stability and makes it possible to get closer to pruning work without having to lean the ladder against a tree or shrub.

7.   They are not as rigid as galvanized steel, but this is not a concern unless you do a lot of roof work and lean a ladder against them.

8.   They decorated the house with black cats, decked the sidewalk with cardboard tombstones and leaned a ladder over the front door.