Sweet potatoes were one of the crops that farmers (largely) planted (in large quantities) every year. Sweet potatoes were one of the crops that farmers (largely) planted (in large quantities) every year.

“Largely” means “mostly.” It means they planted them most years, but not every year. I wonder if you might mean “planted in large quantities” instead.

Like other children in my village, I liked the sweet potato harvest season sovery much. Like other children in my village, I liked the sweet potato harvest season very much.

Like other children in my village, I liked the sweet potato harvest season so much (very much). Like other children in my village, I liked the sweet potato harvest season so much (very much).

Using “so much” in this way is OK in informal writing.

Like any other children in my village, I liked the sweet potato harvest season sovery much. Like any other children in my village, I liked the sweet potato harvest season very much.

After villagers harvested the sweet potatoes, there were still sweet potatoes remaining in the fields. After villagers harvested the sweet potatoes, there were still sweet potatoes remaining in the fields.

After the villagers harvested the sweet potatoes, there were still sweet potatoes remaining in the fields. After the villagers harvested the sweet potatoes, there were still sweet potatoes remaining in the fields.

After villagers have harvested the sweet potatoes, there wereould still be sweet potatoes remaining in the fields. After villagers have harvested the sweet potatoes, there would still be sweet potatoes remaining in the fields.

We children likused to dig up the sweet potatoes out and bake them in the field to eat. We children used to dig up the sweet potatoes and bake them in the field to eat.

We children liked to dig the sweet potatoes out (up) and bake them in the field to eat. We children liked to dig the sweet potatoes out (up) and bake them in the field to eat.

We children liked to digenjoyed digging up the sweet potatoes out and bakeing them in the field to eat. We children enjoyed digging up the sweet potatoes and baking them in the field to eat.

At that time (By then), the weather had already become a little cold, and we had to wear a thick coats to stay (keep) warm. At that time (By then), the weather had already become a little cold, and we had to wear thick coats to stay (keep) warm.

At that time, the weather had already become a little cold, and we had to wear a thick coats to stay warm. At that time, the weather had already become a little cold, and we had to wear thick coats to stay warm.

AtBy that timen, the weather had already become a little cold, and we had to wear a thick coats to staykeep warm. By then, the weather had already become a little cold, and we had to wear thick coats to keep warm.

When we children dug outup the sweet potatoes and baked them, we often saw the geese flying south in the high sky flying south. When we children dug up the sweet potatoes and baked them, we often saw the geese flying south in the high sky.

When we children dug outup the sweet potatoes and baked them, we often saw the geese high in the high sky flying south. When we children dug up the sweet potatoes and baked them, we often saw geese high in the sky flying south.

When we children dug outup the sweet potatoes and baked them, we would often saw the geese flying in the high sky flying southward. When we children dug up the sweet potatoes and baked them, we would often saw geese flying in the high sky southward.

We could even hear their chirphonking. We could even hear their honking.

I think that geese honk or hiss! Although, I am not quite sure. Chirping is a bit different - it's those little whistle-like singing sounds from birds that sing. It's the short and sharp high-pitched sound.

We could even hear their chirphonking. We could even hear their honking.

We could even hear their chirphonking. We could even hear their honking.

They flew in the shape of a herringbone (a vee) high in the high sky. They flew in the shape of a herringbone (a vee) high in the sky.

We call that shape a “vee” (like the letter V).

Somehow, I felt like they chirpedhonked a little sadly. Somehow, I felt like their honking was a little sad. Somehow, I felt like they honked a little sadly. Somehow, I felt like their honking was a little sad.

Somehow, I felt like they chirptheir honking sounded a little sad. Somehow, I felt their honking sounded a little sad.

Somehow, I felt like they chirped a little sadtheir honking felt somber. Somehow, their honking felt somber.

We just heard from adults that the geese were very big, and their meat was sovery delicious. We just heard from adults that the geese were very big, and their meat was very delicious.

We justonly have heard from adults that the geese were very big, and their meat was sovery delicious. We only have heard from adults that the geese were very big, and their meat was very delicious.

However, heard was justBut what we heard was only what we heard, and we never saw a real goose, let alone eate goose meat. But what we heard was only what we heard, and we never saw a real goose, let alone ate goose meat.

However, heard was just heard, we never saw a real goose, let alone eate goose meat. However, heard was just heard, we never saw a real goose, let alone ate goose meat.

However, heawords wasere just heawords, we have never saween a real goose, let alone eat goose meaten one. However, words were just words, we have never seen a real goose, let alone eaten one.

Sometimes, we mayight have heard someone saying that a goose was illsick, fell from the sky and was caught by somebodyone, but we never knew whether or notif the story was true or not. Sometimes we might have heard someone say that a goose was sick, fell from the sky and was caught by someone, but we never knew if the story was true or not.

Sometimes, we may heard someone saying that a goose was ill, fell from the sky and was caught by somebody, but we never knew whether or not the story was true. Sometimes, we heard someone say that a goose was ill, fell from the sky and was caught by somebody, but we never knew whether or not the story was true.

Sometimes, we mayight hear someone saying that a goose was ill, fell from the sky and was caught by somebody, but we never knew whether or not the story was true (or not). Sometimes, we might hear someone saying that a goose was ill, fell from the sky and was caught by somebody, but we never knew whether the story was true (or not).

I have leftbeen away from the countryside for many years. I have been away from the countryside for many years.

or: I left (or moved away from) the countryside many years ago.

I have left the countryside for many years ago. I have left the countryside many years ago.

Living in the city, I haven't seen geese even onc've never seen a goose. Living in the city, I've never seen a goose.

The perfect tense kind of implies that something hasn't happened even once. :)

Living in the city, I haven't seen any geese even once. Living in the city, I haven't seen any geese even once.